r/GreatBallContraption

74 archived posts · Feb 2018 – Sep 2026

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Great Ball Contraption

Lego GBC, Lego Great Ball Contraptions, Lego Technic, Lego Expert, Great Ball Contraption

Created Feb 1, 2018

265Members (last snapshot)

74Archived posts

For creators and fans of Lego GBC modules (Great Ball Contraption). Feel free to share any links that contain Lego GBC modules, Lego GBC layouts or even interesting non-Lego mechanisms that could be used in a GBC module.

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