Great Ball Contraptions, GBCs for short, are popular (and sometimes collaborative) LEGO engineering challenges. The goal: Pass Minifig accessory balls from one LEGO-built module to the next, linking mechanisms in simple or complex ways at an average rate of one ball per second.
Expert builder Berthil van Beek met this challenge with a huge competition-ready LEGO ferris wheel.
Watch as he demonstrates the contraption, which loads 63 Minifig basketballs and soccer balls into the ferris wheel, one by one, and then collects them again in a LEGO box at the end of the sequence.
Toward the video’s end, he also tests an improved ball gate to keep the balls from dropping out of the machine.
Watch these LEGO videos next:
• LEGO Rolling Ball Clock
• Great Ball Contraption (GBC) at Japan Brickfest 2016
• Strain Wave Gearing LEGO Great Ball Contraption (GBC) Module
• The LEGO Great Ball Contraption: 17 different modules of incredible
Plus: The 115,000+ piece K’NEX Ball Machine at The Works Museum.
via The Awesomer.
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