Optical Illusions

http://www.illusions.org/

Now this is an old PowerPoint of mine that I put together from many different resources and use in a pinch in my classroom. It's a great fun activity to use on a shortened schedule day or when you need to fill a half hour for whatever reason.

And kids LOVE LOVE LOVE optical illusions.

And you might find PowerPoint to be such "old technology". Unfortunately we don't have much new technology in our school so we are stuck with making do with the old stuff. At least we don't use overhead projectors anymore. :)

There are lots of web sites out there on optical illusions. This one has 100 or more for you to explore. 

disclaimer - I made this many years ago and most images are not credited. Urp, sorry and thank you.

Here is the PowerPoint