This solar and water-powered robot kit can be used to build twelve different animals and robots. Each model has many functional movements.You can switch between climbing monkey, mouth-opening crocodile, T-Rex, rising ostrich, barbed-attached scorpion, zigzag-driving buggy, etc.Thanks to the combination of these two forces, these robots can move easily. They also offer great interaction with the children. With this kit, children can actively learn two forms of alternative energy and become playful for a clean energy of the future! Because these models are operated with solar and water power, they do not need batteries. In direct sunlight, the robot/animal starts moving. The kit allows children to play outdoors with it and encourages them to explore the world. The modeling and movements refer to real animals with their most obvious characteristics (e.g. elephant trunk, pteranodonwings). While playing, children can recognize these characteristics while watching how they work. When childre