Mega Machines Season 1 Episode 5
The Helix roller coaster is one of the greatest rides ever built, featuring state-of-the-art engineering to rocket thrill-seekers to speeds of over 60 miles per hour.
🏷️Episode Title:World's Wildest Roller Coaster
⏱Duration:42min
👁️Views:126
📅Air Date:2018-02-01
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