Gravitrax Marble Run Systems - Build, Experiment, and Play!

Explore the world of Gravitrax at Milsims Games, where science meets creativity! Gravitrax is an innovative marble run and STEM-based construction system that challenges you to build gravity-defying tracks and experiment with physics. With a wide range of expansion sets and accessories, you can create custom tracks and endless possibilities for fun and learning. Whether you’re a beginner or an experienced builder, Gravitrax offers hours of entertainment for all ages.