No Batteries required to run the Train. Easy to assemble Safe, Eco-Friendly, Educational and fun for whole family. Children will learn the new form of clean energy. Perfect for school projects. The kit will inspire the children to improve their ability of using hands & brains and enhance their faith in protecting the environment by using free eco-friendly renewable energy, while they create a toy. The solar train kit enables children to assemble all the parts together in accordance with the instruction provided to make the motor driven toy train powered by solar energy. Children will learn hot solar (Sun) energy is used to drive small motors and enhance their faith in protecting the environment by reducing the carbon dioxide emission. This kit will help children in improving their science knowledge, mental and practice ability while assembling the toy.