Rube Goldberg Machine on David Letterman
4:01
Added: 2 years ago
From: gfranzer
Views: 699
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  • Best Rube Goldberg machine ever!! haha

    Go Jen!

    kanderson4784 1 year ago

  • Hey Greg, this is your cousin Trent Severt...were doing one of these in science class and though of this video. Good job man.

    suicidalsilence94 1 year ago

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