A scientific kit made in Italy that will allow you to have a lot of fun assembling a roadster engine or a dragster! The kit contains more than 90 parts with which 2 different models with transmission mechanisms can be built. Thanks to the illustrated instructions, the roadster engine can be assembled step by step. Many special parts such as the transmission module, the gears, the connecting rods and the pistons and many others that allow the operation of the vehicles to be observed. The app �??Science & Game Build�?� integrates the gaming experience with assembly support of all models, thanks to the interactive 3D animations.