The Discovery #Mindblown space race marble run is a 340-piece construction set offering a universe of fun and learning. Children can create their own marble run, choose from 3 competitive racing events, and track winners with bracket scorecards. With 6 marbles performing exciting tricks and stunts, every race is packed with thrill and anticipation. This set provides a hands-on approach to learning physics and engineering principles, making it a fantastic educational tool. The space race marble run is an exciting way to bring interstellar exploration to your living room.