A sensational new kit to build a crawler tractor driven by an electric motor and “cultivate” a passion for mechanics! Over 200 parts to build 20 models. The tractor also has agricultural equipment driven by the motor via a mechanical transmission system. The components included in the kit include gear wheels, tracks, transmission module, panels and an electric motor to build, disassemble and rebuild all the models. A set designed to experience the world of STEM (Science, Technology, Engineering and Mathematics) in an easy and fun way. Follow the instructions in the illustrated manual, filled with technical and scientific insights, or download the free APP with interactive 3D instructions for all models.