This marble run was build in June 2016 at the Eden Project in St. Austell (UK) in just 5 days! The track length was over 100 meters (330 feet) and is made from scrap materials. It was the intention to make a lift system, but it doesn't work.
It also have a very big Plinko Board with over 1000 nails, one of the biggest Plinko Boards ever made.
NOTE: I know that this marble run isn't looking well finished, but we just had 5 days of building time to complete it. 2 volunteers of the Eden Project has helped me building it.
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© Jelle's Marble Runs 2019: Please do NOT copy and reupload this video without my permission!