Gravitrax.trek.pub
GraviTrax drop tower into catcher 3-D print by Backcorner3D Etsy shop.
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- Marbles descend down the towers
- I need to build 5 ft Lego marble lifts
- These towers need marble lifts
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- GraviTrax + Lego marble lifts
I know a hack that you proberly dont know
WOW 😱🤯
What are those graygreen parts
WOW🤯
That's pretty cool🤩🤩👍
I have one of those but I just don’t know how to do it and don’t have the time
Really fun 👍