Ravensburger GraviTrax PRO Element Helix

With the GraviTrax PRO Element Helix, up to six tracks can intersect. How many balls can pass through the helix in one go? With the GraviTrax PRO Element Helix, up to six tracks can intersect. If a ball rolls into the helix, it leaves the PRO Element at a lower level. This means that up to six balls can travel on the stone at the same time. Combined with any GraviTrax starter set, the PRO Element Helix brings a whole new level of momentum and energy to the ball track. GraviTrax is a flexibly expandable, interactive marble run system for children aged 8 and over: 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 researching the rolling behavior of the balls, the understanding of science is sharpened and gravity can be experienced first hand. The GraviTrax universe includes three exciting lines - CORE, PRO and POWER. All GraviTrax lines and products can be freely combined with one another. The GraviTrax universe can be expanded infinitely through countless extensions with classic building elements or stones that enable special action and tricks. This way, everyone can tinker, try out and build beyond themselves.