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$16.99
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Challenge the PhD in your family with this set of 12 challenging metal disentanglement puzzles! Each puzzle is solved in a completely different way with a range of difficulties. Themed to take puzzlers on a journey through the Copper, Bronze, and Steel Ages, these brainteasers make beautiful desk toys or fidgets for teens and adults. From Project Genius for ages 8+ yrs. Watch the Video:
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