Science Experiment: DIY wooden model electric car science experiment building toy. Material: 3d puzzles wooden solar car is made of high quality wood material, eco friendly, smooth surface, burr free and sturdy. STEM: Kids can understandcircuit,engineering,energy conversion and much more through the assembly and disassembly of wooded building Kits , learn scientific knowledge,improve learning ability, and cultivate practical ability and knowledge. DIY Accessories: You can bring your own paints and crayons to paint in your favorite colors. After the Building remote control solar car model kits is completed, 3d puzzle building toy can be displayed handicrafts. Gift: Science experiment set wooden remote control electric motor for kids ages 7-14, perfect for birthdays and holidays. Size Chart: 14cmx10cmx6cm/5.51inchx3.94inchx2.36inch Package Includes: 1 Solar Car Model Set Note: 1. This is not infant toy , please take away from kids to avoid eating. 2. Please allow slightly error due to manual measurement. 3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 4. Wish you a wonderful on-line shopping!