Ravensburger GraviTrax Power Element Lever. Electronic accessory for marble runs for kids aged 8 and up. Compatible with all GraviTrax products and sets.

["The electronic GraviTrax POWER Action-Stein Lever is an expansion that lifts balls up and adds height to the action on the Ravensburger marble run system.","The Lever connects two levels of the track by lifting balls up before resetting automatically. Multiple balls can pass through the Lever, gaining speed through height and running the track again on identical or new paths.","The GraviTrax POWER Element Lever can be combined with all starter sets, expansions, and action stones. GraviTrax, GraviTrax PRO, or GraviTrax Power: The Ravensburger marble run system offers limitless creative and combination possibilities.","The Lever requires 2 AAA batteries, which are not included in the packaging. Rechargeable batteries can be used.","The system approach of GraviTrax with starter sets and expansions across three product lines captivates children aged 8 and up, teenagers, and many adults. GraviTrax, PRO, and POWER offer endless possibilities for creative building. An ideal gift not only for birthdays."]