Ben Tardif is building a huge marble machine made from 25 themed and soon-to-be-themed sections — a roller coaster, ski jump, Times Square, Lombard Street, and a fairy tale castle are just a few examples — that bolt together 32 possible paths for the 250-300 steel marbles that it’s made for. Measuring 12 by 8 feet (3.7 by 2.4 meters), and standing 8 feet (2.4 meters) tall, the kinetic sculpture takes about an hour to set up or take down.More fun with marbles, including Marble Tsunami, Paul Grundbacher’s wooden marble machines, The Wintergatan Marble Machine, and which marble will win the Longest Sand Marble Run Ever?
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