Clementoni's Action and Reaction Starter Set helps teach children about the physics of track design and experiment with gravity, forces, and levers with this modular science lab marble run.

Build ingenious contraptions with this starter kit using a marble accelerator, towers and more!

This versatile track system allows you to incorporate your surroundings into your designs by using books, shoeboxes, furniture, etc.

This Action and Reaction Starter Kit helps in the acquisition of manual skills, brainpower, and creativity.

This Starter set features 50 pieces in the box, for you to make plenty of choices about ways to design the type of track you want.

Suitable from 8 Years