Elevate your marbles up to 3 levels higher with the push of a button and the "GraviTrax Extension Lifter"! Press the button to take your marble run to a whole new level, or two, or three! The "GraviTrax Extension Lifter" is like a marble elevator; your marble joins the queue to go up. A simple push of the button releases the top marble up to 3 levels higher, sending it on its next adventure!
8 years and older
