Description: DIY Assembly Model:Wood Puzzle Toy can Exercise hands on ability and understand the structure and principles of air blowing suspension ball, composed of wooden boards, motors and fans.Interactive:Kids Physical Science Experiments Toy Create a harmonious parent child atmosphere for the family, allowing children to improve their collaboration and communication skills during the interaction.Educational: The Diy Technology toy candevelop learning ability, hands on ability and alone thinking abilityOccasion:DIY mechanical Model Kits cultivate children's interests and hobbies.suitable for learning activities, technology projects, scientific experiments, etc.Creative Toy: This 3D Wood Puzzle Assembly Model is interesting and creative, and can be used as a gift for children, students, or friends. Specification: Material : Wood Size Chart: 8cmx8cmx14.6cm/3.15inchx3.15inchx5.75inch Package Includes: 1Kids Scientific Toy Note: 1.This is not infant toy, please take away from children to avoid eating.2.Please allow slightly errors due to manual measurement and different monitors.