GraviTrax drop tower into catcher 3-D print by Backcorner3D Etsy shop.
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I know a hack that you proberly dont know
WOW π±π€―
What are those graygreen parts
WOWπ€―
That's pretty coolπ€©π€©π
I have one of those but I just donβt know how to do it and donβt have the time
Really fun π