Ravensburger GraviTrax POWER: Starter-Set XXL Marble Run

[Gravitrax POWER Starter Set XXL] Go bigger and better and build signal-controlled, mega-sized marble runs with the “GraviTrax POWER Starter-Set XXL”! Set includes 142 pieces for longer play time! [BECOME A PROGRAMER] Now you can control the marble by programming the electronic elements, that communicate through invisible connections created by players controller. [INNOVATIVE]: The GraviTrax interactive track system allows you to design and build your own race tracks and experiment with gravity, magnetism, kinetics and now POWER your marbles to the finish. [STEM TOY] Boys and girls ages 8 and up can experience educational and science play- over 15 million sold worldwide. All sets are compatible with GraviTrax, and GraviTrax PRO. [Great Gift] GraviTrax is an a ideal holiday and birthday gift for creative, curious kids who love to build.