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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 CHALLENGE ANNOUNCEMENT : Attention GraviTrax Builders! Be included in my 1000 subscriber video! source
My mind it's actually exploding! This will be great! It's a great work!
What?π€―So big
Wow, that's impressive. Look forward to the full video.
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