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IBM Burr Puzzles - http://researchweb.watson.ibm.com/BurrPuzzles/
Explore known burr puzzles and calculate new ones using the burr calculator. |
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Cubic Dissection - http://www.cubicdissection.com
Interlocking puzzle gallery. Handcrafted wooden puzzles for sale. |
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Pentangle Puzzles - http://www.pentangle-puzzles.co.uk
Designers, manufacturers and distributors of over 150 quality wooden puzzles made in England. |
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Mr. Puzzle - http://mrpuzzle.com.au
Offers a range of complex wooden burr puzzles and brainteasers. |
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Tarata - http://www.tarata.com/
Offers handmade balancing animals wooden game for adults and children. |