Follows twin brothers Mike and Geoff as they design and build new machines for a variety of purposes. BRAND : GAIAM, INC. GENRE : TELEVISION: REALITY SERIES MANUFACTURER : DISCOVERY CHANNEL MANUFACTURER : DISCOVERY CHANNEL/GAIAM PRODUCT TYPE : DVD PRODUCT TYPE : DVD RATING : TVPG RELEASE DATE : 19-APR-2011 RETURNS ACCEPTED? : YES RUNTIME : 360
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