http://www.collegehumor.com/tag/marble Funny Videos, Funny Pictures, Funny Links! /video/6454655 http://www.collegehumor.com/video/6454655/marble-machines Wed, 16 Mar 2011 13:23:17 -0400 /video/6348367 http://www.collegehumor.com/video/6348367/marble-go-round Mon, 22 Nov 2010 12:44:37 -0500 /video/1189091 http://www.collegehumor.com/video/1189091/marble-mathness Mon, 25 Jun 2007 09:12:46 -0400