Object: Make a cube out of the 6 pieces This version of the Happy Cube Family series
has a moderate degree of difficulty, and is suitable for ages 5 and up. The Happy Cube is the original design, created in 1986 by the Belgian inventor Dirk Laureyssens.
Object: Make a cube out of the 6 pieces This version of the Happy Cube Family series
has a moderate degree of difficulty, and is suitable for ages 5 and up. The Happy Cube is the original design, created in 1986 b...
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