An amazing marble maze, children build by combining blocks, platforms and rails. Offers endless possibilities thanks to the different elements, the marbles are propelled at full speed, cross incredible obstacles, fall or cross levels. Gathers 4 PRO Elements: Mixer, Splitter, Helix and Turntable. combines with all GraviTrax products. Set of 194 pieces: 5 bend tiles, 1 3-in-1 tile, 4 special white tiles, 1 whirlpool, 5 intersections, 1 Magnetic cannon element, 2 turnouts, 3 open base blocks, 1 closed base block, 1 free fall, 1 Splash, 2 Catchers, 1 Finisher, 1 Spinner Starter Block, 56 Thick Building Blocks, 12 Thin Building Blocks, 3 Left Curved Rails, 3 Right Curved Rails, 2 Small Bernoulli Rails, 1 Splitter Element, 1 Mixer Element , 1 Turntable element, 1 Helix element, 2 open pillars, 4 solid pillars, 1 arrival ladder, 15 short rails, 6 medium rails, 3 long rails, 2 medium walls, 6 cardboard base plates, 2 large transparent platforms , 2 small transparent platforms, 4 single balconies, 2 double balconies, 1 illustrated user guide in French with assembly plans.