30 black magnetic pyramids click together to create a rhombic triacontahedron (it's easier to make than it is to say ) one of the most perfect geometric shapes. Each individual piece of the Ball of Whacks is a "golden ratio" rhombic pyramid. Held in place by 180 rare earth magnets, the design pieces can be formed into any shape you can imagine. The Ball of Whacks comes with a 96-page illustrated creativity...
Related Subjects
Games