Get the GBC Building Instructions and start engineering today:
https://pv-productions.com/product/lego-gbc-8-3d-building-instructions/
Note: This Great Ball Contraption (GBC) is entirely made out of LEGO parts.
Did you already meet the rest of our GBC C Model family? https://goo.gl/CzkDvh
Get the GBC Balls here and start rolling today: https://goo.gl/uzbCBK
What's a GBC you ask? Learn more: https://pv-productions.com/whats-a-le...
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