An amazing solar and hydraulic powered robot that can be transformed into 12 different models. The 12 in 1 Solar Hydraulic Powered Robot is designed to teach children the benefits of alternative energy and the basic concept of this technology. This product is powered by the sun and water meaning no batteries are required. The robot can move in direct sunlight and allows children to play with it outdoors, encouraging them to explore the world. There are many models that children can create - T-rex, elephant, ostrich, monkey, scorpion, pterosaur, master & dog, forklift, buggy, obstacle-avoiding rover, crocodile and excavator. However, there are so many more creations that children can make using their own imagination. Assembly required.