The DIY (Do It Yourself) Kit for Children Age 4 to 12 Years Old! It's time to make your own toy! Better yet, a solar-powered wooden car! Get this kit to keep your kids occupied with hands-on activities while enjoying the "robot" moving around that is powered by green energy, renewable energy - Solar Power. This DIY kit is simple enough to be built by 4 years old children, with parent's help. And children 6 years old and above can build it by themselves! Let them explore solar power and how it can help to save the earth by utilizing it! You can also let your kids understand how solar panel works and electric motor works. Awesome!