Have loads of fun building either a roadster motorcycle or a dragster with this Clementoni - Mechanics Roadster and Dragster Build Kit. The kit contains over 90 parts for building 2 different models equipped with working transmission mechanisms. The illustrated manual guides the user through how to assemble the roadster motorcycle and dragster, step by step. Lots of special parts, such as the transmission module, gears, connecting rods, pistons and many more so you can discover how vehicles work! Download theScience & Play Buildapp with 3D animations to integrate the build and play experience by providing assembly tips for all models. Product Features: Includes: 1 x Clementoni - Mechanics Roadster and Dragster Build Kit with over 90 pieces Download theScience & Play Build app for 3D interactive animations on all modules (smart device not included) You can build 2 different models equipped with working transmission and mechanisms Features lots of special parts, such as the