Ravensburger GraviTrax Trax Expansion Pack- Add On Extension Accessory Marble Run and Construction Toy For Kids Age 8 Years and Up – STEM
The Trax expansion pack includes over 40 components to extend the fun of your GraviTrax with even more tiles and tracks.
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