Top 10 Human Powered Rollercoasters
Do you prefer the slower rides in the theme park? Then you will love being in control of one of these human powered rollercoasters that go at your speed.
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Paul Gregg, a grandfather in Seattle, debuted his new backyard roller coaster with his two grandchildren, as passengers, on Nov. 16 (video below). In a YouTube video entitled "Initial run of the Red Racer backyard roller