Feature: 1. Electric Solar Power Car Model: The experimental principle of this science car model is that this solar car model can gain electricity by the solar panels installed on the car. 2. Install Solar Panel: The solar panel receives solar radiation energy and converts it into electrical energy so that the generator of the car can rotate to drive the rotation of the wheels, and the car can move forward. 3. Improve Kid's Development: Fit for kid's early development. Since this solar car model is funny and needs to be assembled by users, it can stimulate children's hand on ability and motivate their passion for science. 4. Quality Material: The DIY solar power science car model is made of wood and electronic component. It is very firm so that children can concentrate on creating their own models. 5. Perfect Gift: Characterized by good shape and fine craftsmanship, which make this solar car model durable and can be a marvelous gift for science lovers, not easy to damage. Specification: Item Type: DIY Solar Power Science Car Material: Composite Wood + Electronic Components Battery: 2 x AA Battery (Not Included) . Package List: 3 x Cable Tie1 x White Glue1 x Fixing Clip2 x Battery Box2 x Solar Panel1 x Motor4 x Wheel1 x Screwdriver2 x Rubber Band2 x Iron Shaft6 x Double Sided Tape4 x Iron Shaft Fixing Sleeve1 x Pulley6 x Heat Shrinkable Tube1 x Screw1 x Motor Wheel1 x Wood Block2 x Triangular Block3 x Square Wood Strip3 x Square Wood Chip1 x Wooden Stick