GraviTrax Flip

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Experience the power of gravity! GraviTrax is the all new STEM track system from Ravensburger! Use your imagination to build superb tracks and set the gravity spheres rolling! Stop , collect, and release! Round up your marbles with the Tip Tube and set them free again! Combine the Tip Tube with the GraviTrax Starter-Set and create unique action in your track system. How long can you pause your marbles with the Tip Tube? Show more