http://www.huffingtonpost.com/2013/05/30/10-optical-illusions_n_3354122.html?utm_hp_ref=comedyhttp://

This is the kind of thing I loved as a kid. I clamored for anything that played with my head. These are some mind blowers.  I guess I’m still a little bit enamored with this kind of trickery (although not the headache I just got from number six)!