GraviTrax: Lifter Expansion SR5E Includes dual FlexTubes (compatible with

Includes dual FlexTubes (compatible with all GraviTrax sets) to test your brainteaser muscles

so don’t hold on to them for too long

so be ready to adapt your plans

after the war

you command a vast and varied crew

GraviTrax: Lifter Expansion SR5E Includes dual FlexTubes (compatible withRaise 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