The Ravensburger GraviTrax Tunnel Set allows you to make your marbles disappear momentarily, adding a new level of excitement to your track. Enjoy endless fun as your marbles navigate through a metro-like course.

Note: This expansion set can only be used with the GraviTrax Starter Set!

Included in the package:

• 1 Illustrated manual
• 2 Base plates
• 4 Curved tunnel pieces
• 2 Straight tunnel pieces
• 2 Tunnel junctions
• 2 Vertical tunnels
• 2 Long curved tracks
• 2 Long tracks with free fall openings
• 2 Catching baskets

GraviTrax, by the German manufacturer Ravensburger, is a modular marble track system with various expansion options. It fascinates both young and old builders. Build tracks, race your marbles, and explore the principles of gravity!

This sophisticated construction set with variable components allows you to create your own complex marble track systems or assemble one of the pre-designed solutions. The individual building elements form pathways filled with various actions for the marbles to traverse. The GraviTrax system can be endlessly expanded with more and more accessories, creating new and intricate paths with enhanced obstacles. The set promises never-ending fun while enriching your understanding of gravity.