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
- GraviTrax is made with premium quality materials adhering to the highest UK and EU standards and regulations. STEM and construction toys for kids age 8 years up. Great Christmas gifts and birthday presents for children.
- A GraviTrax Starter Set is required to use expansion packs & accessories. No batteries required. Other accessories sold separately.
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