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2. Burr puzzle - Wikipedia

   en.wikipedia.org/wiki/Burr_puzzle

   Burr puzzles. A burr puzzle is an interlocking puzzle consisting of notched sticks, combined to make one three-dimensional, usually symmetrical unit. These puzzles are traditionally made of wood, but versions made of plastic or metal can also be found. Quality burr puzzles are usually precision-made for easy sliding and accurate fitting of the ...

3. Pentangle (puzzle supplier) - Wikipedia

   en.wikipedia.org/wiki/Pentangle_(puzzle_supplier)

   Pentangle's first product was a burr puzzle, the Woodchuck puzzle, whose object was to assemble 24 wooden pieces into an octahedral shape. It sold hundreds of thousands of these. [ 1 ] Pentangle eventually made a total of 314 different burr puzzles, and from 1979 made and sold the "Chinese Cross", a compendium of 42 pieces including all the ...

4. Altekruse Puzzle - Wikipedia

   en.wikipedia.org/wiki/Altekruse_Puzzle

   The Universal Book of Mathematics provides the following information about Altekruse puzzle: [2] [3] A symmetrical 12-piece burr puzzle for which a patent was granted to William Altekruse in 1890. The Altekruse family is of Austrian-German origin and, curiously, the name means "old cross" in German, which has led some authors to incorrectly ...

5. T puzzle - Wikipedia

   en.wikipedia.org/wiki/T_puzzle

   A particular nice presentation of the puzzle appeared in the October 1913 issue of John Martin's Book, here shown to the left. [14] In "Carpentry & mechanics for boys" by A. Hall (1918), figures of an example T and full-size patterns are given for the construction of a wooden version of the puzzle. [15] The arms of the T are longer than usual. [4]

6. Liberty Puzzles - Wikipedia

   en.wikipedia.org/wiki/Liberty_Puzzles

   Liberty Puzzles was founded in 2005 by Christopher Wirth and his business partner Jeffrey Eldridge, after Wirth’s family inherited several hand-cut wooden puzzles from the 1930s. [1] Surprised by the value of hand-cut wooden jigsaw puzzles (which can sell for more than $1,000 each), Wirth decided to start a business using modern cutting ...

7. List of puzzle topics - Wikipedia

   en.wikipedia.org/wiki/List_of_puzzle_topics

   Mechanical puzzle. Ball-in-a-maze puzzle; Burr puzzle; Word puzzle. Acrostic; Daughter in the box; Disentanglement puzzle; Edge-matching puzzle; Egg of Columbus; Eight queens puzzle; Einstein's Puzzle; Eternity puzzle; Fifteen puzzle; Fox, goose and bag of beans puzzle; Geomagic square; Globe puzzle; Graeco-Latin square; Gry; Happy Cube ...