Gravitrax.trek.pub
Join Chris from The Masked Marble as he unboxes the GraviTrax Lifter Expansion! This marble run extension adds a Lifter …
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2ND TRY – will the marble finish?
Build this track with app code 6OEJGJD669. Go into the GraviTrax app and enter the …
This lifter is a good idea but I think Gravitrax should have made it automatic like their other add ons. I like your unpacking videos but could you start showing us how these different pieces work too?