GraviTrax Expansion: Tunnels
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The Gravitrax interactive track system harnesses the power of gravity, physics, and engineering in a unique marble-run. Enhance the adventure with this set of curving tunnels and other accessories that add twists and turns. Use with Gravitrax Starter Set (sold separately).
For ages 8 yrs-teen, from Ravensburger.
Watch the Video:
- WARNING: CHOKING HAZARD - Small parts. Not for children under 3 years.
- WARNING: CHOKING HAZARD – Children under 8 years can choke or suffocate on uninflated or broken balloons. Adult supervision required. Keep uninflated balloons from children. Discard broken balloons at once.