GraviTrax Accessory Keep your marble run excitement going with the Scoop. Triggered automatically when the marble rolls into it, the Scoop picks up the marble, swings like a trebuchet and propels the marble down the track of the next highest level. This accessory also includes 6 additional tracks and must be combined with the GraviTrax Starter Set.GraviTrax is a modular, electronic-free interactive track system where you can design and build your own marble runs. This STEM toy for boys and girls 8 and up, encourages experimenting with gravity, magnetism, and kinetics to propel your marble to the finish. Designed with open play in mind, the concept offers endless possibilities to design a different track every time you play. Expand your builds and add some action with a variety of expansion sets and accessories. Contents: 1x Scoop base, 1x Long Rail, 1x Medium Rail, 1x Short Rail