EASY ASSEMBLY The DIY Wooden Building kits for kids is designed to be easy to assemble, with each component's edge smoothly processed for a snug fit. DURABILITY Assembly 3D Puzzles Made from high quality wood materials, this building kits is durable and sturdy enough to withstand years of play. EDUCATIONAL This Science Experiment Stem Project is the perfect STEM project for kids aged 8-12, helping to develop hand eye coordination while inspiring and creativity and imagination. CUSTOMIZABLE The finished products can be painted and decorated to make it truly unique, perfect for displaying in a child's bedroom or playroom. REALISTIC MOVEMENT Once assembled, the DIY Educational Model kits Toys kits Motorize components allow the model to move, providing an exciting and proud moment for kids. Size Chart: finished size(L*W*H): 9cmx7.5cmx20.3cm/3.54inchx2.95inchx7.99inch Package Includes: 1DIY Model Electric Lifts Elevator Kits 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.