Gravitrax.trek.pub
Preview of a marble run computer I built using the GraviTrax marble run system by Ravensburger. The computer can add two …
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- GraviTrax + Lego marble lifts
My mind it's actually exploding! This will be great! It's a great work!
What?🤯So big
Wow, that's impressive. Look forward to the full video.
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