Get busy stacking all different shapes, colors and sizes. This fun Geometric Stacker comes with 25 durable pieces to match and stack on a solid base. Perfect for building shape, color and size differentiation skills. Includes 25 durable, solid wood pieces to match and stack. Great for learning shape and color recognition in young children, and especially thrilling to the spatially-oriented learner, or any young child who loves building and stacking toys.