This building set was designed to enhance learning experiences. The three-dimensional stacking set teaches students to think ahead as they plan where they will set the Tall Stacker pegs to build the next platform. This set teaches shape, size, and color relationships as well as developing fine-motor and math skills. Includes 100, 2⅝" Tall-Stacker pegs; 100-hole rubber peg board base mat; and 17 crepe rubber shape and color tower mats. Intended for children ages 3 years and up.