Backyard Volcano Blowup
Season 1 • Episode 6
Kevin & Grant try to survive a 30mph ride through rough terrain in their Off-Road Soap Box Racers. The classic homemade Volcano gets supersized to a 3-part eruption. Aerodynamics and a 46-year old gridiron record are challenged by a Football Cannon.
42 min|TV-PG|Premiered 03/15/2015
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