How many prongs on this fork? This mind trick fools you into counting one to many prongs on the fork. 1/21/2005 12:00:00 AM 252,313
Moving Circles? Focus on the middlle and you shall see the circles start to move. 8/12/2008 12:00:00 AM 224,821
Are these lines straight or bent? Once again, these lines are straight as an arrow. 2/10/2005 12:00:00 AM 218,322