A fantastic motorized concrete mixer vehicle that you can build yourself to explore and train in key areas of mechanics and engineering. Thanks to the electric motor, both the rotation of the mixer and the rear wheels for traction can be activated. 20 models of construction machines can be realized with more than 250 components, including: electric motor, batteries, mixers, differentiation, and transmissions. A large construction lab that fosters creativity and imagination. A play experience that requires concentration and precision in all areas. Each time, a varied game that stimulates thinking and presents possible solutions and assemblies. Comes with an illustrated manual and an app that allows you to discover new models and assembly situations in a simple and entertaining way.