A complete scientific kit to discover all the secrets of four-wheeled off-road vehicles. Featuring 2 dynamic models of a dune buggy and quad to build, children can discover the way transmission mechanisms work. Contains more than 130 interchangeable components including: complete differential, gears, rims, tyres, panels, bars and pins. In addition to the assembly instructions, a sheet with lots of interesting scientific facts about off-road vehicles and the mechanics of internal combustion engines. Science Museum approved; Size H27.6, W18.8, D4.5cm. For ages 8 years and over. Manufacturers 2 year guarantee. WARNING(S): Not suitable for children under 3 years old. Only for domestic use. To be used under the direct supervision of an adult.