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Calvin's Puzzle

Calvin's 4x4 Fisher Cube

Calvin's 4x4 Fisher Cube

Regular price $16.49 USD
Regular price $24.99 USD Sale price $16.49 USD
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The Calvin's 4x4 Fisher Cube is a shape modification of a standard 4x4. What is a corner? What is an edge? Where are the centers!? You'll have to try it to find out!
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