Color Recognition​ Features gradient rainbow colors, helping kids distinguish and match different hues during play.​ Premium Material​ Crafted with high-grade materials, suitable for repeated stacking, sorting and daily handling by kids.​ Number & Letter Learning​ Marked with numbers and letters on each layer, turning stacking into a fun way to learn basics.​ Stacking Skill Training​ Requires aligning layers by size, enhancing kids hand-eye coordination and spatial thinking.​ Easy to Play Independently​ Lightweight layers with smooth edges, perfect for little hands to grip and stack on their own. Specification: Material:Plastic Size:29*13*13 cm/ 11.41*5.11*5.11 in Color:as picture Package include: 1*Rainbow Tower Stacking Toy Notes: 1. Due to various factors such as monitor brightness and light brightness, the actual color of the product may be slightly different from the picture displayed on the website. 2. Please allow for slight manual measurement bias in the data.