The next level of interactive marble run track system, where kids can build their own marble run and experiment with gravity, magnetism, and kinetics to propel the marbles to the finish line. There are a variety of tiles, levels, tracks and features that allow you to make a new track every time. With the Gravitrax Pro set, new height pillars, walls, and balconies take everything vertical. Set contains 149 pieces.
Recommended for ages 8+