This patented and award-winning creativity tool designed by Roger von Oech, consists of 30 magnetic blocks that can be taken apart and rearranged as a perfect 30-sided rhombic triacontahedron or multiple imaginative structures. Each piece is a "golden ratio" rhombic pyramid. Held in place by 180 rare earth magnets. Illustrated guidebook included. Ages 14 and up. Keep away from pets and pacemakers.