An amazing new mechanical lab where you can learn in a simple and engaging way how large transport vehicles work and interact with the principles of mechanics and engineering! With over 200 components including differential gears, rods, plates, and much more, you can construct 10 fantastic moving models: from trucks with real controls and a log grip to a dump truck, from an excavator truck to fantastic new vehicles with a real working crane! A comprehensive illustrated manual guides children step by step through model building and teaches the basics of mechanics, engineering, and the operation of levers and gears.