A scientific box set to have fun discovering how agricultural machines work. The box includes more than 200 pieces with which to assemble 10 different models. Many special parts, such as the differential, gears, universal joint and many more, allow you to experience the vehicles and understand how they work. The illustrated manual explains how to assemble the models and includes information on mechanical and engineering principles. The free Science & Play app features interactive 3D instructions for all models. Imagined, designed and developed in Italy. Target age 8+ Box dimensions (LxDxH) 39.6 x 27.8 x 6 Weight 925g