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24thAnnualNationalRubeGoldbergMachineContestMain.24thAnnualNationalRubeGoldbergMachineContest HistoryHide minor edits - Show changes to markup April 21, 2011, at 12:12 AM
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The winning rube goldberg machine (@ YouTube) 24th Annual National Rube Goldberg Machine Contest - Guinness World Records - Popular Mechanics Purdue Newsroom - Wisconsin-Stout repeats as Rube Goldberg winner |