Bulldozer Building Set Science Museum Mechanics Kit - Various Colours

With over 200 interchangeable components such as flat and conical cogged wheels, racks, differential gears, worm screws, spiked tyres, bars and panels this set is perfect for any young builder aged 8 years and over. With 10 models to build that do not include batteries this STEM toy will create hours of fun and screen free time. The bulldozers bucket lifts up thanks to a worm gear mechanism and the vehicle changes direction when you turn the steering wheel. The instruction manual helps the children build the models and introduces them to the basic principles of mechanics and engineering.