Category:Optical illusions

Media in category "Optical illusions"

The following 6 files are in this category, out of 6 total.

Black dots.jpg 21,008 bytes	Cup or faces.png 4,472 bytes	Giraffe illusion.gif 71,102 bytes	Headache.gif 14,370 bytes
Impossible staircase... 24,880 bytes	Tribar.png 14,616 bytes