LEGO GREAT BALL CONTRAPTION (BRICKCON 2018) | LEGO Ball Machine Collaboration at BrickCon 2018 (More LEGO GBC at https://www.greatballpit.com/) | By Beyond the Brick | Facebook
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Incredible Great Ball Contraption accelerates tiny LEGO balls at 1000 rpm [Video] - The Brothers Brick | The Brothers Brick
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