This incredible technology laboratory helps you get closer to the world of mechanics and engineering as you build a powerful Monster Truck! This kit contains more than 200 components to be assembled, including: differential, rack-and-pinion steering, and Cardan joint. You can discover and build 10 fantastic and dynamic models! Thanks to the illustrated manual, your child will be guided step-by-step through the building of 10 different models as they discover the fundamentals of mechanics and engineering. The kit contains everything you need to create other models, with increasing difficulty levels, like a Rod and Piston, Spider Truck, Hot Rod, Monster Cross, Quad, Show Truck and Offroad Racer. Kids can learn the basics of mechanics and engineering in a fun way. 50 different models are made simple with 350 components. 50 different models are made simple with 250 components. 10 different models are made simple with 200 components. 2 different models are made simple with 130 components.