Ravensburger Gravitrax Starter Set – Marble Run & STEAM Accredited Toy for Kids Age 8 & Up

– Gravitrax is an interactive track system and marble run toy
– Design and build your own race tracks and experiment with gravity, magnetism, and kinetics
– Control the speed of each ball with a variety of tiles, levels, tracks, and features
– Open-ended building concept offers endless possibilities for track design
– Expand your tracks with expansion sets and action accessories for added flair and speed
– Fun STEM toy for boys and girls with over 100 pieces and 18 different construction