Quercetti Knikkerbaan Suspension, 132dlg.

The Quercetti Skyrail 'Suspension' marble run is a beautiful basic set consisting of 132 parts. The unique and ingenious cable system supporting the track is easy to adjust and allows marbles to roll down at an accelerated or decelerated pace. Furthermore, the use of marbles of different sizes and materials ensures that children make interesting observations, experiments, and discoveries in the world of physics (speed, gravity, friction). All of this makes it a marble run of exceptional and unique educational value that guarantees hours of playtime. Includes marbles and a detailed instruction booklet. Suitable for children aged 6 and up.