Archimedes Marble Rollercoaster
This intricate wooden coaster was built way back in 1990, but that makes it no less awesome. The central mechanism is an screw-like conveyance taking marbles to the top – gravity does the rest.
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This intricate wooden coaster was built way back in 1990, but that makes it no less awesome. The central mechanism is an screw-like conveyance taking marbles to the top – gravity does the rest.
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