Description
With ROLLER COASTER you can build fantastic marble suspension tracks up to 5 yards long. Your toy will immediately became the best thing in the room! ROLLER COASTER has been?carefully planned in order to use marbles of different dimensions and materials: it allows you to make interesting observations, experiments and discoveries in the world of physics (speed, gravity,?strength, centrifuge, attrition) and to intuitively understand fundamental principles. The ROLLER COASTER is a safe way to spend hours in a highly educational environment.
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