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Which marble will win the Longest Sand Marble Run Ever?

Pick a color! Will your marble win against 11 others in the Longest Sand Marble Run Ever? Made by Jelle Bakker of Jelle’s Marble Runs on a Netherlands-based sand dune, this sand track measures 230 meters (750 feet) long and features twists, turns, multiple pathways and slaloms, a small funnel, and more fun details that keep the marbles in competition for first place.

Previously from Bakker: 11,000 marbles in a Marble Tsunami marble run machine.

Related watching: Paul Grundbacher’s wooden marble machines and Andrew Gatt’s DIY Paper Rollercoasters.

via Reddit.

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