[Educational Construction Series] Tamiya Friction Powered Car (Runs Without Batteries & Motor) - 70217

★A Pretty Fly Construction Project★
This assembly kit creates an eco-friendly 3-wheeled car which runs on the inertia stored by its flywheel, with no need for motor or batteries! Spin the drive wheel or rear wheels to start the drive unit flywheel rotating, place the model on the ground, and watch the flywheel power the car forwards. The drive unit can power the car up to fifteen meters, or 35 seconds. It has a top speed of around 1.8 seconds per meter (roughly 2km/h). Everything is included for easy snap-fit/screw-together assembly.

★Cam-Controlled Fun★
Fit the included Zig-Zag or Figure-8 cams to the underside, and let them control the course the car takes. Alternatively, create your own course by modifying the blank cam in this kit. Or to have the car go in one direction, simply lock the steering unit.

Specifications
★Length: 141mm, width: 85mm, height: 67mm (when assembled)
★Drive unit can be detached and used to power other Educational Construction creations.

*Source from : https://www.tamiya.com/english/products/70217/index.htm