1 Sezon
13 Episod
Big! - Season 1 Episode 12 Episodul 12 (2004)
Frank challenges the team to build a BIG treadmill in five days that is 20 feet high, 25 feet long and 11 feet wide. He takes three field trips to research building materials, health, and exercise for completion of the world's largest treadmill.
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- Studio : Discovery
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