The Gravitrax Kinetic Blast Marble Run Set by Ravensburger is a 159-piece STEM toy designed for ages 8 and up. Made of plastic, this toy allows young builders to create intricate marble run tracks using the GraviTrax product line. With a focus on STEM principles, children can experiment with gravity and kinetics to build engaging and challenging tracks for their marbles to follow. This set provides hours of fun and creativity for kids who enjoy building and problem-solving. New - Open box.
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