With the GraviTrax PRO Element Helix, up to six tracks can cross each other. How many balls can pass through the Helix in one go? With the GraviTrax PRO Element Helix, up to six tracks can intersect. When a ball rolls into the helix, it leaves the PRO Element at a lower level. This means that up to six balls can travel along the stone at the same time. Combined with any GraviTrax starter set, the PRO Element Helix gives the ball track a whole new lease of life and energy. GraviTrax is a flexibly expandable, interactive marble run system for children aged 8 and up: With GraviTrax, children, teenagers, and adults don't just build simple marble runs. They create unique marble run worlds. By freely designing the marble runs and exploring the rolling behavior of the marbles, their understanding of science is sharpened, and gravity becomes a tangible experience. The GraviTrax universe includes two exciting lines – BASE and PRO. All GraviTrax lines and products can be freely combined. Through countless expansions with classic building elements or bricks that enable special actions and tricks, the GraviTrax universe can be expanded infinitely. This allows everyone to tinker, experiment, and build beyond their own expectations.
