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$27.50
Originally designed by Thomas Edison's son. This is one of our newest and most difficult wood puzzles. Product Details
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$25.00
This is an 18 piece 6x6x6 burr wooden puzzle is one for the MOST difficult puzzles we offer. Product Details
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$23.95
This one is HARD. Do you think you can handle this 6x6x6 level 5+ burr puzzle? Product Details
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$39.00
This one of our most difficult wooden puzzles. Simply disassembling it will be beyond the scope of many, and that is much easier than the reassembly. Product Details
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$22.95
An extremely difficult wooden puzzle to solve at the most difficult level., but there are 3 levels so that some success is likely. Product Details
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$24.00
Two challenging math puzzles for the price of one! One side is level 4, the other side level 5+ Beautiful Hardwood construction Product Details
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$16.95
The 25 "Z" shaped pcs will make a cube 4 different way. One of our top 5 most difficult wooden puzzles. Product Details
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$28.95
Just try and construct this monument of a wooden puzzle! Product Details
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$15.00
This is a fantastically difficult wooden math puzzle. 248,000 permutations, but only 1 solution! Product Details
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