The electronic GraviTrax POWER Element Trigger is an addition that creates invisible connections between the POWER action-elements and can significantly influence the course of the track By cleverly integrating the Trigger in combination with other POWER Elements, the player can intervene in the course of the marble The GraviTrax POWER Element Trigger can be combined with all Starter-Sets, Extensions and Elements. GraviTrax, GraviTrax PRO or GraviTrax POWER: With the Ravensburger marble run system, there are no limits to creativity and the possible combinations GraviTrax, GraviTrax PRO, GraviTrax POWER are three pillars of the Ravensburger marble run system. The white line GraviTrax is entry level and with countless add-ons the basis of any marble run. PRO brings height and complexity to the track, while POWER provides electronic components - for interaction, variable track courses and long running times The GraviTrax system approach of Starter-Sets and additions across three product lines inspires children from the age of 8, teenagers and adults. GraviTrax, GraviTrax PRO and GraviTrax POWER offer many possibilities for creative building. An ideal gift
