Experience the Power of Gravity with GraviTrax! With over 100 pieces and 18 different construction elements, the GraviTrax Starter Set offers everything you need to begin building your own action-packed track systems. Discover how the laws of physics affect the journey your marble takes with curves, junctions, freefalls and even a cannon. Experiment using different heights and angles to control the speed of the marble to get it to the finish. Contents: 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.