The following demonstrations are in Macromedia Flash formats, and therefore suitable for classroom teaching:

To download: Mac users, press and hold mouse button. PC users, press right mouse button.

Click on the link to view.



Simultaneous Contrast Illusion

[ Flash - (69 kb) ]



Vasarely Illusion

[ Flash - (79 kb) ]



Craik-Obrien-Cornsweet Effect

[ Flash - 102 kb) ]



Knill and Kersten's Illusion

[ Flash - (86 kb) ]



The Koffka Ring

[ Flash - (74 kb) ]



Impossible Steps

[ Flash - (116 kb) ]



Corrugated Plaid

[ Flash - (101 kb) ]



Haze Illusion

[ Flash - (142 kb) ]



White's Illusion

[ Flash - (106 kb)]

Criss-Cross Illusion

[ Flash - (75 kb) ]



The Snake Illusion

[ Flash - (116 kb) ]