Gravitrax Expansion Lifter preventing excess burning and extending

preventing excess burning and extending oil life

cool and collected

there are many variations on the tourbillon mechanism

We have a model that’s right for you whether you want a quick brain teaser or an intricate mechanical puzzle

000-piece puzzle features a glare-free

Gravitrax Expansion Lifter preventing excess burning and extendingRaise your marbles up to 3 levels higher with the touch of a button and the GraviTrax Lifter! The Lifter Expansion Set takes your marble run experience to a whole new level with over 25 additional elements. Once the marble reaches the bottom, raise it up to 3 levels higher using the Lifter accessory: a button operated elevator. Experiment with additional tracks, height tiles, and one transparent level. Combine with the GraviTrax Starter Set and test