![link to this post #](/images/board_posticon.gif)
You stick you nose right up to it and let your eyes defocus and then an image will jump out at you, usually in 3D.
They're very clever and it was only last week that I finally managed to be able to do one!
( ,
Wed 10 Mar 2004, 18:33,
archived)
They're very clever and it was only last week that I finally managed to be able to do one!