A new sensational kit to build a crawler tractor powered by an electric motor and "cultivate" the passion for mechanics over 250 components to build 20 models and technical applications. the tractor is also equipped with agricultural equipment, activated by the engine via a mechanical transmission system. Among the components included in the kit are: sprockets, tracks, transmission module, panels and an electric motor to build, disassemble and rebuild all possible models. a game to approach the world of stem (science, technology, engineering and mathematics) in an easy and fun way. Follow the instructions on the illustrated manual, full of technical and scientific insights or download the free app with interactive 3D instructions for all models. this science and technology game kit is recommended for children aged 8 and over. Made in Italy.