GraviTrax Loop Add On

Turn the marble upside down with the Loop accessory. Experiment with how much speed the marble needs to loop-the-loop. This accessory also includes 6 additional tracks. 
GraviTrax Starter-Set required

Instructions (D, F, EN, NL, E), 1 Loop Tile, 1 Long Track, 2 Medium Tracks, 3 Short Tracks