Do you remember those 3D Magic Eye picture books from elementary school day? Those picturea are called "Stereograms",and you can make your own here!

Etch-a-Sketch my favorte drawing tool as
a child. And it never gets old. Give it a try!

This little program converts your picture to ASCII text art - a jumble of letters, numbers and symbols that do not appear to have any significance until you step back and look at the whole picture. It has no practical purpose, other than the neat factor.