The page will link you to a number of optical illusion sites and events. You will find some sites that are interactive and some sites that will introduce you to great artist using optical illusions. Have fun exploring and don't forget to let me know what you think of them.
You can get back to this page from the sites you visit by clicking on the back button at the top of your computer screen. However, if you get lost and want to return just type this URL in at the location setion at the top http://www.quia.com/pages/artsmart.html (jot this down on a scrape piece of paper before leaving this site, just in case).