Your child's imagination knows no bounds with this versatile STEM robot building kit! From constructing agile robots to powerful land and air vehicles, this robotics kit for kids provides endless hours of entertainment and learning, 12 unique models to build, including robots, fighter jets, and off-road vehicles, Our STEM robot kit includes a high-capacity rechargeable battery which ensures hours of learning and fun. Simply recharge with the included USB cable, and the robot is ready for endless adventures, Engage in Meaningful Play with 332+ Pieces