This is a DIY solar robot. You will learn how to build a walking robot with a solar panel and a motor. This robot works completely on solar energy. So you do not need batteries. The box contains all the parts to build the robot. You only need a Phillips screwdriver and decoration. The kit is designed to stimulate children's technical skills. In addition, they learn to think independently. The kit is suitable for children aged 5 and over under adult supervision.