Spring your marble to the track above with the GraviTrax Jumper and keep the action hopping!Add the cool GraviTrax Jumper to your marble run track and get your marbles jumping! When your marble hits the Jumper switch, the platform is quickly raised one level and tips the marble on its way. Meanwhile, the raised platform creates a path directly below for a trailing marble to continue its journey - a cool way to split marbles onto different tracks! Its a snap to combine this accessory with any GraviTrax Starter-Set to experience the power of gravity and educational fun today!What makes a great toy? GraviTrax checks all the boxes! Its a creative, modular, expandable track system that challenges children to use their imagination to design and build their own marble runs! Electronic-free, GraviTrax construction sets use STEM-friendly concepts while building critical thinking and problem-solving skills. Completely open-ended, every GraviTrax set has a boredom-busting variety of play options for hours of fascinating fun. Once the basics are mastered, simply add expansion sets and accessories to propel those metal marbles around the tricked-out track of your dreams!Comes complete with 1 Jumper action tile, 1 long track, 2 medium tracks, 3 short tracks and instructions.Lasting durability for girls and boys ages 8 and up, its the learning toy children (and savvy adults) return to over and over again!