Description: 【Durable Material】DIY scientific experiment electric gate model kit is made of high quality wood material, environmentally friendly, smooth surface, no burrs, strong and durable. 【Easy to Assemble】Electric projects engineering gate model with switch, 3D puzzles wooden model kit include all the tools and materials you need to assemble, the cut wooden parts are easy to assemble and disassemble. 【Science Experiment Kits For Kids】Science experiments educational crafts DIY kits can exercise children practical abilities and other abilities. Cultivate children's curiosity and desire to exploring science, creative and interesting. 【Educational Learning Scientific Tools】The gate model imitates the working principle of the gate in the reality, uses the gear transmission principle to let children know how the electric gate working, learn scientific knowledge, improve learning ability. 【Perfect Gift】The DIY assembly building toy is great science toy gift for boys girls teens/kids on Birthday, thanksgiving, Halloween, Christmas, Children's Day. Specification: Material: Wood Size Chart: Fully Expanded Dimension: 22cmx9cmx6cm/8.66inchx3.54inchx2.36inch Package Includes: 1 Set DIY Retractable Gate Door Model Kit