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