Uploaded August 2023 | Updated September 2026, 3 weeks ago

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250+ balls consistency test.

Original Video: youtube.com/watch?v=MVsMJ4jSaW0
Building Instructions: n/a

3rd party GBC balls amzn.to/3q8QFvQ
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All my links: https://linktr.ee/brickengineering

#lego #gbc #greatballcontraption ⚽️🏀