8 years & up. Experience the power of gravity with the Gravitrax Scoop® Expansion Set! Increase the action and marble run excitement by adding the Scoop® to the Gravitrax Starter Set. The Scoop® is triggered automatically when the marble rolls onto it. Watch it pick up the marble, swing like a trebuchet, and propel the marble down the track of the next highest level. Included: Scoop® and 6 additional tracks. Gravitrax Starter Set not included.