Main Features:
● DIY a crawler to develop kids' hands-on ability and learn science knowledge
● Help children learn the mechanical transmission structure of the vehicle model, how the electrical energy can be converted into mechanical energy, and how to change the chassis height to come across obstacles
● Help children enjoy achievement by conquering challenges, cultivate their creativity
● 3 heights of the chassis
● Clever structure design makes multiple parts common
● Powered by a R6, AA or UM3 battery ( not included )