Homemade Hovercraft Hijinks What Could Possibly Go Wrong? : Season 1 Episode 4
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Aired: February 21st, 2015 @ 9:00 PM EST on Science
Kevin & Grant test their skills when building a Homemade Hovercraft capable of crossing land and sea. How can a Merry-Go-Round produce Top Gun G-forces? Add motorcycle muscle. The guys attempt to defy gravity and walk on the ceiling in Magnetic Boots.