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-on's – each sold separately.

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