Ravensburger Ravensburger GraviTrax Extension Tw…

GRAVITRAX Marble Run Bundle - toys & games - by owner - sale - craigslist

Raise your marbles up to 3 levels higher with the touch of a button and the GraviTrax Lifter! Push the button to take your marble run to a whole new level, or two, or three! The GraviTrax Lifter is like a marble elevator; your marble joins the queue for a ride up. A push of the button releases the top marble up to 3 levels higher, sending it on to its next adventure! With over 25 included components, you can experiment with additional tracks, height tiles, and a transparent level.

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