With this Clementoni Mechanics Laboratory Motocross Bike, children build a detailed motocross bike with moving parts. The STEM building set contains more than 170 parts and introduces children to mechanics and engineering. Thanks to the manual and interactive 3D instructions, children can build their own model step by step. A challenging and educational building experience for children aged 8 and up. Features • STEM building set of a motocross bike • More than 170 parts • Moving mechanical functions • Includes 3D instructions and manual • Made of plastic • Suitable for children aged 8 and up