- When a marble enters the Helix it will move down to a lower level without changing its direction. Up to six marbles can pass through this Action-Stone at the same time!
- Build new routes and create crazy trick shots, expand the marble run with new ideas, expansion sets to keep the ball rolling compatible with all GraviTrax & GraviTrax PRO sets & accessories
- Experiment with gravity to power your ball through twists, loops and turns in a race to the finish line great building game for boys & girls
The GraviTrax track system can be extended indefinitely with extra track packs and add-ons each sold separately.Suitable for ages 8 years and up.THIS IS AN ADD ON PACK - A STARTER SET IS REQUIRED TO PLAY
**All GraviTrax and GraviTrax Pro products are compatible**
