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Calvin's Puzzle

Calvin's 3x3x5 Semi-Super Cuboid (Adjacent Circles)

Calvin's 3x3x5 Semi-Super Cuboid (Adjacent Circles)

Regular price $17.63 USD
Regular price $27.99 USD Sale price $17.63 USD
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The Calvin's Puzzle Semi-Super 3x3x5 series features fully functional circles on two sides (opposite or adjacent), which may be turned to make solving this puzzle an even more difficult challenge.

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