The Solar Powered Toy Car Kit Is A Solar Car Science Project. The Solar Car Project, that you can build a solar toy car to show solar energy for kids, A Quality Solar Powered Toy This solar powered toy car kit is a simple solar car science project. It is also a hybrid solar toy car, which means that you could power the toy car without batteries when there is enough sun light, or you could also power the car with batteries when there is no sun light. The solar powered toy car is made of top quality material with wood frames. The solar powered toy car is about 4.7 inch long (12cm), and 5.5 inch tall (14cm). A very nice piece of solar power toy. The toy car could run when there is sun light without any batteries, or run with batteries when there is no sun light. Please wait for 10 minutes after applying glue. Make sure that the switch in the battery box is switched on. From this simple project of solar energy for kids, one can build a solar powered toy car, a great solar motion toy. This serves as a good solar car science project. By building a solar powered motion toy, your kid would appreciate the nature of solar power. Batteries are not included! You dont need batteries with solar energy (sun light). However, you would need batteries if you want to run the toy car when there is no sun light. Batteries are not included.