jelle bakker
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A 228 Metre Long Marble Run Made From Sand Is More Exciting Than Formula 1
Video: Jelle Bakker, who has a fondness for complex marble runs, made this epic 228m long sand track that descends some 38m from its start to its finish. The 12 marbles competing in this video take almost four-and-a-half minutes to complete the run, and you’ll be surprised to find yourself rooting for your favourite.