Zometool Pyramid Puzzle Science Kit is a mathematical riddle rooted in the wisdom of the Ancients – the Babylonians, the Egyptians and the Greeks. Solve the mystery of the ages! Behold! A mystery wrapped in a riddle inside a net-bag! Can YOU build all 65 unique pyramids from these pieces? A fun mathematical riddle for the whole family.Ages 6 and up.* Parents’ Choice Approval Award and one of Parenting Magazine’s Best Toys of the Yearby Zometool
