Cool light effects for even more GraviTrax action? No problem! The GraviTrax POWER Element Light makes every GraviTrax track glow. Cool light effects for every GraviTrax track: no problem with the GraviTrax POWER Element Light! A total of 3 light columns in combination with transparently structured height bricks, make it possible to build light columns flexibly at different heights and integrate them directly into any GraviTrax track. In addition, the player can change the color of the light at the touch of a button. 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 tracks. They create unique marble track worlds. By freely designing the marble tracks and exploring the rolling behavior of the marbles, 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 each other. Countless Extensions with classic building elements or stones that allow special action and tricks, the GraviTrax universe can be infinitely expanded. So everyone can tinker, try out and build beyond themselves individual.