Experience the power of gravity! GraviTrax is the new STEM track system from Ravensburger! Use your imagination to build superb tracks and set the gravity spheres rolling! This expansion pack includes over 25 components to extend the fun of your GraviTrax with even bases and levels to experiment with. 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 to get started in the world of GraviTrax! Are the gravity spheres stopping or flying off before reaching the final target? Time for some problem solving. Rebuild and try something different! The GraviTrax track system can be added infinitely to extra track packs and add-on’s – each sold separately. This set is suitable for 1+ players, for 8+ years old children. Contents: 2 Base Plates, 1 Transparent Level, 8 Large Height Tiles, 4 Small Height Tiles, 2 Switches, 1 3-in-1 tile, 1 Vortex, 1 Finish Line, 4 Basic Tiles, inserts for basic tiles: 2 Catchers, 1 Freefall, 1 Splash, 1 Landing