Experience the power of gravity! GraviTrax is the all new STEM track system from Ravensburger! Use your imagination to build superb tracks and set the gravity spheres rolling! This expansion pack includes over 40 components to extend the fun of your GraviTrax with even more tiles and tracks. This STEM system (Science, Technology, Engineering and Maths) is an ideal solution to teach kids about gravity, magnetism, kinetic energy and fun. Freestyle with your own track design or use the tasks and blueprints included to help you getting started started in the world of GraviTrax! Do the gravity spheres stop or fly off before reaching the final target? Time to solve some problems. Rebuild and try something different! The GraviTrax track system can be extended infinitely with extra track packs and add-on’s – each sold separately. This set is suitable for 1+ players, for 8+ years old kids. Features: 16x Large Vertical Tiles, 8x Small Vertical Tiles, 7x Curve Tiles, 1x Junction Tile, 1x Long Track, 2x Medium Tracks, 3x Short Tracks, 6x Balls