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and finally a puzzle with an image on it but all the pieces were shaped the same. They were shown the completed versions then asked to reassemble them. The children were given three minutes to complete each puzzle; half of the group was given a guide picture while the other half was not. The results revealed that 4 and 5 year olds were able to complete all three puzzles within the allotted time, meanwhile most 3-year-olds were able to complete the normal jigsaw puzzle and the puzzle of normal shaped pieces without an image on it but struggled more with the puzzle that had an image but all the pieces were shaped the same. With all of the children the fastest completion time was with the normal puzzle and the slowest was with the puzzle with an image and same shaped pieces; there were also fewer errors in with the children that had a guide. The cognitive development between the different ages can be seen in their completion times and how many errors were made. The older children were able to complete the puzzles with fewer errors because their mental rotation abilities, which is the ability to rotate an object in your mind to see it from a different perspective, are further developed than they are for younger children who are more likely to resort to trial and error.
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763:"Family puzzles" of 100–550 pieces use an assortment of small, medium and large pieces, with each size going in one direction or towards the middle of the puzzle. This allows a family of different skill levels and hand sizes to work on the puzzle together. Companies like Springbok, Cobble Hill, Ceaco, Buffalo Games and Suns Out make this type of specialty puzzle. Ravensburger, on the other hand, formerly made this type of puzzle from 2000 until 2008.
736:
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831:—on the other two sides to receive the tabs. Other fully interlocking puzzles may have tabs and blanks variously arranged on each piece; but they usually have four sides, and the numbers of tabs and blanks thus add up to four. Uniformly shaped fully interlocking puzzles, sometimes called "Japanese Style", are the most difficult because the differences in the pieces' shapes are most subtle.
1181:. The Bambi puzzle had the fastest completion time with all the children which is believed to be caused by their previous experience, and because it was finished the fastest with all of the children researchers do not believe there is a connection between the puzzles' targeted audience and the sex of the children. Overall the girls in the class were faster, and made fewer errors.
808:
467:, is credited with commercialising jigsaw puzzles around 1760. His design took world maps, and cut out the individual nations in order for them to be reassembled by students as a geographical teaching aid. They have since come to be made primarily of interlocking cardboard pieces, incorporating a variety of images and designs.
798:
Jigsaw puzzles can vary significantly in price depending on their complexity, number of pieces, and brand. In the US, children's puzzles can start around $ 5, while larger ones can be closer to $ 50. The most expensive puzzle to date was sold for $ US27,000 in 2005 at a charity auction for The Golden
1168:
In 2021, researchers conducted a study during which a group of children between the ages of 3 and 5 years old were asked to complete three different types of jigsaw puzzles. Each child was given a normal jigsaw puzzle with a picture on it, another with normal shaped pieces but without an image on it
834:
Most jigsaw puzzles are square, rectangular or round, with edge pieces with one straight or smoothly curved side, plus four corner pieces (if the puzzle is square or rectangular). However, some puzzles have edge, and corner pieces cut like the rest, with no straight sides, making it more challenging
759:
The most common layout for a thousand-piece puzzle is 38 pieces by 27 pieces, for an actual total of 1,026 pieces. Most 500-piece puzzles are 27 pieces by 19 pieces, for a total of 513 pieces. A few puzzles are double-sided so they can be solved from either side—adding complexity, as the enthusiast
841:
Designer Yuu Asaka created "Jigsaw Puzzle 29". Instead of four corner pieces, it has five. The puzzle is made from pale blue acrylic without a picture. It was awarded the Jury
Honorable Mention of 2018 Puzzle Design Competition. Because many puzzlers had solved it easily, he created "Jigsaw Puzzle
699:
Beginning in the 1930s, jigsaw puzzles were cut using large hydraulic presses that now cost hundreds of thousands of dollars. The precise cuts gave a snug fit, but the cost limited jigsaw puzzle production to large corporations. Recent roller-press methods achieve the same results at a lower cost.
1203:
appears a jigsaw puzzle piece in the foreground. They named it "The Key Piece": "The piece of a puzzle is the proper symbol to visually represent the Office of the
Attorney General because it includes the concepts of search, solution and answers that the entity pursues through the investigative
755:
Jigsaw puzzles geared towards children typically have significantly fewer pieces and are typically much larger. For very young children, puzzles with as few as 4 to 9 large pieces (so as not to be a choking hazard) are standard. They are usually made of wood or plastic for durability and can be
703:
New technology has also enabled laser-cutting of wooden or acrylic jigsaw puzzles. The advantage is that the puzzle can be custom-cut to any size or shape, with any number or average size of pieces. Many museums have laser-cut acrylic puzzles made of some of their art so visiting children can
692:
The puzzle die is a flat board, often made from plywood, with slots cut or burned in the same shape as the knives that are used. The knives are set into the slots and covered in a compressible material, typically foam rubber, which ejects the cut puzzle pieces.
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The difference in the visuospatial abilities between boys and girls were studied in 2017 using jigsaw puzzles. A second-grade class was asked to complete three different puzzles, the first was a neutral one of a horse, second was a male-oriented one of a
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The world's largest-sized jigsaw puzzle measured 5,428.8 m (58,435 sq ft) with 21,600 pieces, each measuring a
Guinness World Records maximum size of 50 cm by 50 cm. It was assembled on 3 November 2002 by 777 people at the former
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assemble puzzles of the images on display. Acrylic pieces are very durable, waterproof, and can withstand continued use without the image degrading. Also, because the print and cut patterns are computer-based, missing pieces can easily be remade.
501:, including boards, cases, frames, and roll-up mats, have become available to assist jigsaw puzzle enthusiasts. While most assembled puzzles are disassembled for reuse, they can also be attached to a backing with adhesive and displayed as art.
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Jigsaw puzzles come in a variety of sizes. Among those marketed to adults, 300-, 500- and 750-piece puzzles are considered "smaller". More sophisticated, but still common, puzzles come in sizes of 1000, 1500, 2000, 3000, 4000 and 5000 pieces.
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are common, as well as other traditional subjects. However, any picture can be used. Artisan puzzle-makers and companies using technologies for one-off and small print-run puzzles utilize a wide range of subject matter, including
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Many puzzles are termed "fully interlocking", which means that adjacent pieces are connected so that they stay attached when one is turned. Sometimes the connection is tight enough to pick up a solved part by holding one piece.
1339:" due to social differences, and also because jigsaw pieces were recognizable and otherwise unused. Puzzle pieces have since been incorporated into the logos and promotional materials of many organizations, including the
494:, unusual art, and personal photographs. In addition to traditional flat, two-dimensional puzzles, three-dimensional puzzles have entered large-scale production, including spherical puzzles and architectural recreations.
1354:
oppose the jigsaw puzzle iconography, stating that metaphors such as "puzzling" and "incomplete" are harmful to autistic people. Critics of the puzzle piece symbol instead advocate for a gold-colored or red
863:
in Hong Kong.The jigsaw with the greatest number of pieces had 551,232 pieces and measured 14.85 by 23.20 metres (48 ft 9 in Ă— 76 ft 1 in). It was assembled on 25 September 2011 at
432:
that requires the assembly of often irregularly shaped interlocking and mosaicked pieces, each of which typically has a portion of a picture. When assembled, the puzzle pieces produce a complete picture.
778:, often made of plastic. Like 2-D puzzles, the assembled pieces form a single layer, but the final form is three-dimensional. Most globe puzzles have designs representing spherical shapes such as the
1161:
Studies have shown that the ability to solve jigsaw puzzles develops during early childhood. During this time there is significant development in cognitive abilities such as mental rotation and
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for the "Largest Jigsaw Puzzle – most pieces", and was divided into 3,132 sections each containing 176 pieces, which were assembled individually and then connected to compose the full puzzle.
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a picture on a flat, rectangular piece of wood, then cutting it into small pieces. The name "jigsaw" derives from the tools used to cut the images into pieces—variably identified as
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jigsaw puzzles appeared in the late 1800s, but were slow to replace wooden ones because manufacturers felt that cardboard puzzles would be perceived as low-quality, and because
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concluded that the use of the jigsaw puzzle evoked negative public perception towards autistic individuals. They removed the puzzle piece from their cover in
February 2018.
2175:
1282:" Susan Alexander Kane (Dorothy Comingore) is reduced to spending her days completing jigsaws after the failure of her operatic career. After Kane's death when "
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and require the puzzle to be solved in a particular order, as some pieces will not fit if others are already in place. One type of 3-D jigsaw puzzle is a
838:
The pieces of spherical jigsaw, like immersive panorama jigsaw, can be triangular-shaped, according to the rules of tessellation of the geoid primitive.
827:
Some fully interlocking puzzles have pieces of a similar shape, with rounded tabs (interjambs) on opposite ends and corresponding indentations—called
504:
Competitive Jigsaw
Puzzling has grown in popularity in recent years, with both regional and national competitions held in many countries, and annual
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form of entertainment. It was around this time that jigsaws evolved to become more complex and appealing to adults. They were also given away in
470:
Jigsaw puzzles have been used in research studies to study cognitive abilities such as mental rotation visuospatial ability in young children.
2128:
523:'s "Europe divided into its kingdoms, etc." (1766). He created the jigsaw puzzle for educational purposes, and called them "Dissected Maps".
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is glued to cardboard, which is then fed into a press. The press forces a set of hardened steel blades of the desired pattern, called a
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The cutting process is similar to making shaped cookies with a cookie cutter. However, the forces involved are tremendously greater.
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to identify them. Other puzzles utilize more complex edge pieces to form unique shapes when assembled, such as profiles of animals.
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19" which composed only with corner pieces as revenge. It was made with transparent green acrylic pieces without a picture.
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1335:. The organization chose jigsaw pieces for their logo to represent the "puzzling" nature of autism and the inability to "
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in 1969. Numerous smaller-scale puzzle makers work in artisanal styles, handcrafting and handcutting their creations.
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have also been noted as tools used to cut jigsaw puzzles into pieces. The term "jigsaw puzzle" dates back to 1906.
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1508:
1312:, doing jigsaw puzzles is one of many activities that can help keep the brain active and may reduce the risk of
31:
17:
1906:"Piecing Together the Puzzle of Pictorial Representation: How Jigsaw Puzzles Index Metacognitive Development"
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Doherty, Martin J.; Wimmer, Marina C.; Gollek, Cornelia; Stone, Charlotte; Robinson, Elizabeth J. (2021).
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is a globe made out of jigsaw pieces. The incomplete sphere symbolizes the room to add new knowledge.
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1973:"Robust Sex Differences in Jigsaw Puzzle Solving—Are Boys Really Better in Most Visuospatial Tasks?"
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is a poem about a child putting together a jigsaw puzzle, as well as an interpretive puzzle itself.
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A three-dimensional puzzle composed of several two-dimensional puzzles stacked on top of one another
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1582:"Demand for jigsaw puzzles is surging as coronavirus keeps millions of Americans indoors"
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795:, simple three-dimensional puzzles with a small drawer or box in the center for storage.
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2007:
1972:
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1255:'s most famous novel, tells as pieces of a puzzle a story about a jigsaw puzzle maker.
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1698:"Specialty puzzle uses laser-cut techniques to offer one-of-a-kind offerings"
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2032:"Some Errors Defy Fixes: A Typo in Knowledge's Logo Fractures the Sanskrit"
2016:
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An "autism awareness" ribbon, featuring red, blue, and yellow jigsaw pieces
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is believed to have produced the first jigsaw puzzle around 1760, using a
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which portrays the frustration of discovering a puzzle piece is missing.
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The name "jigsaw" came to be associated with the puzzle around 1880 when
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1286:" is emptied, hundreds of jigsaw puzzles are discovered in the cellar.
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became the tool of choice for cutting the shapes. Along with fretsaws,
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V&A collection; Museum number:B.1:1 & 2–2011; puzzle cabinet
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must determine if they are looking at the right side of each piece.
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https://collections.vam.ac.uk/item/O1243701/puzzle-cabinet-unknown/
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Demand for jigsaw puzzles saw a surge, comparable to that of the
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1235:, several characters attempt to complete a large jigsaw puzzle.
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was the world's largest jigsaw puzzle maker; it was acquired by
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or printed reproduction of a painting or other two-dimensional
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Early puzzles, known as dissections, were produced by mounting
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623:, with customers completing an image of the promoted product.
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The
Guinness record of CYM Group in 2011 with 551,232 pieces
677:
as they are easier and cheaper to mass-produce. An enlarged
2260:
Why don't Jigsaw
Puzzles have the correct number of pieces?
1971:
Kocijan, Vid; Horvat, Marina; Majdic, Gregor (2017-10-23).
1674:"Snapping Into Place: Jigsaw Puzzles Have Ardent Following"
1177:, and the third was a female-oriented one of the character
783:
210:
1880:"Vietnam puts together the world's largest jigsaw puzzle"
807:
682:
538:
1903:
2176:"I am not a puzzle: From Reports from a Resident Alien"
2127:. National Autistic Society. 2015-02-09. Archived from
2066:. FiscalĂa General de la NaciĂłn (Colombia). 2018-12-02.
2152:. National Autistic Society. June 1997. Archived from
1261:, sometimes spelled "Jig-Saw Puzzle" is a song by the
1608:"With People Stuck at Home, Jigsaw Puzzle Sales Soar"
1474:
Historic Royal
Palaces press release "Jigsaw cabinet"
1327:
Jigsaw puzzle pieces were first used as a symbol for
1292:
is a short video by self-described "internetainers" (
473:
Typical images on jigsaw puzzles include scenes from
1359:
symbol representing diversity. In 2017, the journal
557:
used such "dissected maps" to teach the children of
436:
In the 18th century, jigsaw puzzles were created by
2246:at jigsaw-puzzle.org (November 2000; archived from
1970:
1785:, International Puzzle Collectors Association, 2018
2114:Alzheimer Society of Canada Accessed 30 March 2011
2270:
1423:. American Jigsaw Puzzle Society. Archived from
2174:Lisa D. (full last name unknown) (2012-05-02).
1762:Solving The HARDEST JIGSAW PUZZLE!! – LEVEL 10!
1717:"Eye for Art and Artistry Amid Jigsaw’s Jumble"
607:Jigsaw puzzles soared in popularity during the
1736:"Most expensive jigsaw puzzle sold at auction"
1657:"The Perfect Jigsaw for Every Type of Puzzler"
1535:
1533:
1531:
2231:The Jigsaw Puzzle: Piecing Together a History
1637:. World Trade Magazines Ltd. 1962. p. 31
888:Largest commercially available jigsaw puzzles
397:
2023:
1565:: CS1 maint: multiple names: authors list (
1502:
1500:
1625:
1528:
1290:Rhett And Link Do A Rainy Day Jigsaw Puzzle
811:A "whimsy" piece in a wooden jigsaw puzzle
611:, as they provided a cheap, long-lasting,
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2006:
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1921:
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878:University of Economics, Ho Chi Minh City
770:jigsaw puzzles. Many are made of wood or
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549:, creating a puzzle useful for teaching
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673:Most modern jigsaw puzzles are made of
14:
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2202:"Autism Journal Abandons Puzzle Piece"
2200:Diament, Michelle (February 2, 2018).
2094:. Internet Movie Database. 2015-08-29.
2080:. Internet Movie Database. 2004-10-29.
2044:from the original on September 5, 2017
1799:This puzzle composed only with corners
1782:2018 Puzzle Design Competition Results
1758:
1605:
1579:
1509:"A Puzzling History of Jigsaw Puzzles"
1397:
786:, and historical globes of the Earth.
660:
2029:
1855:"Largest jigsaw puzzle – most pieces"
1815:
1506:
689:, through the board until fully cut.
1977:Frontiers in Behavioral Neuroscience
1836:. Guinness World Records. 2002-11-03
1539:
1573:
1461:"Top 10 facts about jigsaw puzzles"
1156:
626:Sales of wooden puzzles fell after
24:
2223:
2125:"NAS timeline (text only version)"
1599:
1542:"Jigsaw Puzzles – A Brief History"
1463:. Daily Express. 15 November 2016.
1418:
1296:of "Internet" and "entertainers")
25:
2310:
2237:
638:increases, while improvements in
603:Wooden jigsaw pieces, cut by hand
580:British printed puzzle from 1874.
506:World Jigsaw Puzzle Championships
2150:"Perspectives on a puzzle piece"
1606:Doubek, James (April 13, 2020).
1580:Miller, Hannah (April 5, 2020).
1507:Lerno, Tina (December 6, 2021).
1331:in 1963 by the United Kingdom's
1303:
978:27 Wonders from Around the World
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1769:from the original on 2021-12-11
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1269:, featured on their 1968 album
573:on wooden jigsaws were larger.
1485:
1467:
1453:
1439:
1212:The central antagonist in the
1201:Office of the Attorney General
958:(No title: collage of animals)
420:(with context, sometimes just
41:Person solving a jigsaw puzzle
13:
1:
2030:Cohen, Noam (June 25, 2007).
1390:
718:
1759:Ramsay, Chris (2019-03-07),
1218:film franchise is nicknamed
7:
2178:. Unpuzzled. Archived from
2092:"'Me and My Pal' IMDB page"
1884:Guinness World Records News
1421:"History of Jigsaw Puzzles"
1368:
1310:Alzheimer Society of Canada
731:allowing rotation of pieces
452:. Assisted by Jason Hinds,
10:
2315:
1514:Los Angeles Public Library
1184:
747:A puzzle without a picture
511:
29:
1822:, Akita University of art
1447:"The Time of the Jigsaws"
1380:Jigsaw puzzle accessories
1341:Autism Society of America
1333:National Autistic Society
1138:Life, The greatest puzzle
646:jigsaws more attractive.
499:jigsaw puzzle accessories
481:, and repetitive designs—
2254:History of Jigsaw puzzle
2064:"'The Logo, The anthem'"
1990:10.3389/fnbeh.2017.00194
1449:. BBC. 15 November 2016.
1058:Memorable Disney Moments
756:cleaned without damage.
669:Paperboard jigsaw pieces
657:'s stay-at-home orders.
1834:"Largest jigsaw puzzle"
1683:, Associated Press via
2256:at puzzlewarehouse.com
1859:Guinness World Records
1796:Valtiel (2019-08-21),
1740:Guinness World Records
1685:Minnesota Star-Tribune
1352:autism rights movement
1324:
918:What A Wonderful World
882:Guinness World Records
880:. It is listed by the
866:Phú Thọ Indoor Stadium
855:
820:
812:
799:Retriever Foundation.
748:
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732:
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581:
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42:
1715:Jennifer A. Kingson,
1322:
1248:Life: A User's Manual
1208:Art and entertainment
1038:Making Mickey's Magic
876:, by students of the
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818:
810:
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738:
726:
668:
602:
579:
519:
40:
27:Type of tiling puzzle
1672:Tracee M. Herbaugh,
1375:Edge-matching puzzle
1259:Jigsaw Puzzle (song)
1163:visuospatial ability
1098:New York City Window
707:By the early 1960s,
555:Lady Charlotte Finch
30:For other uses, see
1819:Yuu Asaka interview
1816:Asaka, Yuu (2019),
1703:Greenfield Recorder
1655:Charlotte Arneson,
1540:Williams, Anne, D.
1314:Alzheimer's disease
1240:Lost in Translation
1196:In the logo of the
661:Modern construction
547:national boundaries
366:Nikoli puzzle types
48:Part of a series on
2289:Mechanical puzzles
2229:Anne D. Williams,
2110:2010-12-12 at the
2037:The New York Times
1923:10.1111/cdev.13391
1679:2020-10-03 at the
1546:www.mgcpuzzles.com
1479:2015-06-13 at the
1427:on 19 October 2000
1350:Proponents of the
1325:
1267:The Rolling Stones
1018:La vuelta al Mundo
856:
821:
819:A 3D jigsaw puzzle
813:
749:
741:
733:
671:
617:product promotions
605:
582:
553:. Royal governess
545:and cutting along
525:
371:Puzzle video games
356:Impossible puzzles
252:Puzzle video games
43:
2244:Jigsaw-puzzle.org
2078:"'Saw' IMDB page"
1910:Child Development
1663:, April 10, 2020.
1308:According to the
1154:
1153:
1118:Double Retrospect
938:Travel around Art
768:three-dimensional
655:COVID-19 pandemic
492:optical illusions
414:
413:
275:
274:
16:(Redirected from
2306:
2294:Traditional toys
2217:
2216:
2214:
2212:
2206:Disability Scoop
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1706:, April 6, 2018.
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1687:, Feb. 12, 2020.
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1419:McAdam, Daniel.
1416:
1298:Rhett & Link
1227:Laurel and Hardy
1157:Research studies
998:Around the World
892:
891:
870:Ho Chi Minh City
789:Also common are
651:Great Depression
609:Great Depression
508:held from 2019.
406:
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361:Maze video games
350:
315:Packing problems
310:Optical illusion
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1272:Beggars Banquet
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921:Dowdle Folk Art
890:
861:Kai Tak Airport
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766:There are also
721:
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642:processes made
563:Queen Charlotte
559:King George III
514:
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727:Jigsaw puzzle
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571:profit margins
528:John Spilsbury
521:John Spilsbury
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2105:Healthy Brain
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803:Puzzle pieces
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430:tiling puzzle
427:
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418:jigsaw puzzle
407:
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32:Jigsaw Puzzle
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2230:
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2205:
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2184:. Retrieved
2180:the original
2169:
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2154:the original
2144:
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2129:the original
2119:
2100:
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2058:
2046:. Retrieved
2035:
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1976:
1966:
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1899:
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1883:
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1862:. Retrieved
1858:
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1739:
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1633:
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1585:
1575:
1549:. Retrieved
1545:
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1512:
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1441:
1429:. Retrieved
1425:the original
1385:Tessellation
1361:
1349:
1326:
1307:
1288:
1280:Citizen Kane
1277:
1270:
1257:
1246:
1245:
1238:
1237:
1230:
1225:In the 1933
1224:
1214:
1211:
1195:
1189:The logo of
1188:
1171:
1167:
1160:
1141:Educa Borras
1121:Ravensburger
1101:Ravensburger
1081:Educa Borras
1061:Ravensburger
1041:Ravensburger
1021:Educa Borras
961:MartinPuzzle
857:
840:
837:
833:
828:
826:
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792:puzzle boxes
790:
788:
776:puzzle globe
765:
762:
758:
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706:
702:
698:
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691:
686:
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648:
630:as improved
628:World War II
625:
619:and used in
606:
583:
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526:
503:
496:
472:
469:
461:cartographer
435:
425:
421:
417:
415:
295:Brain teaser
166:
151:Construction
2299:Wooden toys
2264:Matt Parker
1765:, YouTube,
1634:Achievement
1294:portmanteau
1204:activity."
713:Waddingtons
709:Tower Press
621:advertising
594:scroll saws
497:A range of
450:scroll saws
270:Metapuzzles
146:Combination
2273:Categories
2186:2014-07-30
2160:2022-02-17
2135:2022-02-17
2048:January 3,
1840:2013-03-04
1745:2016-03-06
1520:August 31,
1431:13 October
1391:References
719:Variations
687:puzzle die
679:photograph
675:paperboard
644:paperboard
613:recyclable
330:Puzzlehunt
215:Logic maze
137:Mechanical
123:Logic grid
113:Dissection
2211:March 18,
1999:1662-5153
1958:219649710
1942:0009-3920
1617:April 16,
1591:April 16,
1198:Colombian
1191:Knowledge
1147:428 Ă— 157
1127:544 Ă— 192
1107:544 Ă— 192
1087:570 Ă— 157
1078:Wild Life
1067:680 Ă— 192
1047:680 Ă— 192
1027:749 Ă— 157
1007:768 Ă— 204
987:869 Ă— 191
967:696 Ă— 202
947:864 Ă— 204
927:883 Ă— 243
772:styrofoam
567:Cardboard
551:geography
532:marquetry
487:mountains
479:buildings
335:Syllogism
238:Crossword
118:Induction
95:Situation
2108:Archived
2042:Archived
2017:29109682
1950:32726493
1889:15 March
1864:15 March
1767:archived
1677:Archived
1561:cite web
1551:2 August
1477:Archived
1369:See also
1357:infinity
729:software
586:fretsaws
543:hardwood
465:engraver
446:fretsaws
438:painting
424:or just
169:problems
81:Guessing
2008:5660068
1983:: 194.
1641:3 April
1185:Society
1175:tractor
1001:Grafika
941:Grafika
901:Company
874:Vietnam
683:artwork
634:led to
590:jigsaws
512:History
483:castles
442:jigsaws
428:) is a
320:Paradox
300:Dilemma
213: (
200:Sliding
174:Folding
54:Puzzles
2015:
2005:
1997:
1956:
1948:
1940:
1804:Reddit
1362:Autism
1337:fit in
1329:autism
1284:Xanadu
1229:short
1220:Jigsaw
1135:24,000
1130:10.45
1115:32,000
1110:10.45
1095:32,000
1075:33,600
1070:13.06
1055:40,320
1050:13.06
1035:40,320
1030:11.76
1015:42,000
1010:15.67
995:48,000
990:16.60
975:51,300
970:14.06
955:52,110
950:17.63
935:54,000
930:21.46
915:60,000
910:Area
895:Pieces
829:blanks
782:, the
475:nature
458:London
426:puzzle
422:jigsaw
286:Topics
243:Sudoku
229:Number
184:Tiling
90:Riddle
1954:S2CID
1661:Slate
1265:band
1179:Bambi
1150:6.72
1090:8.95
981:Kodak
907:Size
780:Earth
636:price
632:wages
534:saw.
349:Lists
261:Mazes
205:Chess
179:Stick
104:Logic
72:Types
2213:2018
2050:2024
2013:PMID
1995:ISSN
1946:PMID
1938:ISSN
1891:2017
1866:2017
1643:2013
1619:2020
1593:2020
1586:CNBC
1567:link
1553:2014
1522:2023
1433:2014
1343:and
1278:In "
1144:2007
1124:2010
1104:2014
1084:2014
1064:2016
1044:2018
1024:2017
1004:2017
984:2019
964:2018
944:2020
924:2022
904:Year
784:Moon
592:and
561:and
539:maps
485:and
463:and
456:, a
305:Joke
227:and
225:Word
211:Maze
195:Tour
161:Lock
2003:PMC
1985:doi
1928:hdl
1918:doi
1612:NPR
1215:Saw
868:in
448:or
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
