Rube Goldberg Dog Food Dispencer

This is a Rube Goldberg Dog Food Dispencer that me and my friend made for a science project.

Author: tevens22

Keywords: rube goldberg dog food dispencer topple fall dominoes knex marbles invention machine

Added: May 5, 2007

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Original source : http://youtube.com/?v=7tTNOX8jfno...