The Sevi System is suitable for children 8+. Presenting a real challenge in building marble runs without letting them fall down.

This toy helps develop precision and skill in linking the tubes, which will become the “tracks” for the marble, as well as skill in defining the right gradients of the run.

After building the run, enjoy watching the marble roll faster as it heads down and along the winding stretches and get those races organised to see who has the greatest skill.

The kit incudes an information guide.