Create 3D structures from 2D nets with the 30 Piece Classic Set! This is the ideal set for a beginning user at ages 3 and up. The set has 30 total pieces: which includes 12 triangles and 18 squares. These squares and triangles come in a simple color combination assortment of red/purple or yellow/blue. Follow the step-by-step idea booklet to build a magic ball, houses, towers and much more! Let your child's creativity shine with the Magformers Classic 30-Piece Magnetic Construction Set.