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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. Combination puzzle - Wikipedia

   en.wikipedia.org/wiki/Combination_puzzle

   A combination puzzle, also known as a sequential move puzzle, is a puzzle which consists of a set of pieces which can be manipulated into different combinations by a group of operations. Many such puzzles are mechanical puzzles of polyhedral shape , consisting of multiple layers of pieces along each axis which can rotate independently of each ...

6. Hoffman's packing puzzle - Wikipedia

   en.wikipedia.org/wiki/Hoffman's_packing_puzzle

   Hoffman's packing puzzle is an assembly puzzle named after Dean G. Hoffman, who described it in 1978. [1] The puzzle consists of 27 identical rectangular cuboids, each of whose edges have three different lengths. Its goal is to assemble them all to fit within a cube whose edge length is the sum of the three lengths.

7. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

8. Wentworth Wooden Puzzles - Wikipedia

   en.wikipedia.org/wiki/Wentworth_Wooden_Puzzles

   All puzzles are supplied in a cotton draw-string bag within a lidded box. These wooden puzzles are cut from 3mm thick wooden boards (as opposed to softer cardboard) to ensure they will survive the rigours of use for a very long time. Puzzles are supplied to the customer with the option of an image of the puzzle's subject matter printed on the box.

9. Mechanical puzzle - Wikipedia

   en.wikipedia.org/wiki/Mechanical_puzzle

   The Chinese wood knot, a notorious interlocking puzzle. In this particular version designed by Bill Cutler, five moves are needed before the first piece can be removed. In an interlocking puzzle, one or more pieces hold the rest together, or the pieces are mutually self-sustaining. The aim is to completely disassemble and then reassemble the ...