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.