The Rainbow Stacking Tower from New Classic Toys is made of beechwood with 7 colored rings. This durable version of the timeless classic is a favorite for many children. The wooden shapes are easy to grasp. At the same time, they practice hand-eye coordination and color recognition. It's also super practical for explaining what is "smaller" and "bigger." For hours of fun! This set is part of the "Educational" product line from New Classic Toys. Building, stacking, sorting, and counting. Playing and learning go hand in hand with the "Educational" collection from New Classic Toys.