Liquid Generation A selection of optical illusions for you to fathom.. see how you do! www.liquidgeneration.com/sabotage/optical_sabotage.asp
Sandlot Science Interactive optical illusions so you can really get involved. www.sandlotscience.com/
Optical Illusions 15 Optical Illusions to figure out!! www.western.cc.ok.us/~japhelan/Optical.html/sld001.htm
What do you see Download this image and find all 9 hidden faces. Not as easy as you think!
www.computerpranks.com/download/images/illusion/illusion.jpg
Optillusions.com An amazing collection of optical illusions just to confuse you! You can send them to your friends via email from this site. www.optillusions.com/
Grand Illusions A site for the enquiring mind. With optical illusions, scientific toys, visual effects, and even a little magic. www.grand-illusions.com/
