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Product Information: Slightly larger than a baseball, Gear Ball is like the classic cube puzzle...
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The ghost cube is an exercise in making a 3x3x3 shape modification that is as...
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Product Information: Looking good at 50! Together with Professor Uwe Meffert, the inventor of the Pyraminx,...
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Product Information: Pyraminx The 42 year old Pyraminx puzzle has been there since the beginning....