Stacking Blocks Contains 16 pieces, detachable and removable blocks, which can increase the baby's ability of creativity. Build early shape, color and size differentiation skills, it can inspire children's imagination as well as promote their physical and intellectual development. Perfectly sized for toddlers' hands, also a great choice as travel toys. Great brain stimulating toy, a brilliant All in 1 product that teaches about colors, shades, early geometry shapes, matching, logic, fine motor skills. The Geometric Toy is made of WOOD. BPA free. Recommended 2 years up.