Experience the power of gravity! This STEM system (Science, Technology, Engineering and Maths) is an ideal solution to teach kids about gravity, magnetism, kinetic energy and fun. Hit a snag? Freestyle with your own track design or use the tasks and blueprints included to help you to get started in the world of GraviTrax! Do 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, ages 8 years and up. Features: Instructions (D, F, EN, NL, E), construction plan booklet, task booklet, 4 base plates, 2 transparent levels, 6 balls, 40 large height tiles, 12 small height tiles, 21 curves, 3 junctions, 2 switches, 1 3-in-1 tile, 1 vortex, 1 launch pad, 1 magnetic cannon, 3 long tracks, 6 medium tracks, 9 short tracks, 1 finish line, 4 basic tiles, inserts for basic tiles: 2 catchers, 1 freefall, 1 splash, 1 landing Total Pieces: 122