Description: MaterialLight Stacking Toy is made of wood and PP material, which is strong and sturdy.FeaturesColor Recognition Cognitive Boards can be combined to create different effects, such as cool effects, color correction, etc.FunctionColor Science Experiment Tool understands primary colors through hands on experiments and improves scientific cognitive abilities. Enhance color recognition and perception abilities, encourage children to think independently, and cultivate their curiosity about the world.ApplicableEducational Toy is suitable for daily early education, family interactive learning, school education tools, etc.GiftColor Perception Game is the first choice gift for those in need. Specification: Material: Wood,PP Size Chart: 15cmx20cm/5.91inchx7.87inch Package Includes: 1 Shelf 6Translucent Sheets Note: 1. This is not an infant toy, please take it away from children to avoid eating.2. Please allow slight errors of 1-2cm differences due to manual measurement.