I love the tubelike purple/black/green/white one. And the celeb/monster one.
20 Optical Illusions That Might Break Your Mind
Rubik's tricky cube
Source: brusspup
A trippy non animated classic
Source: Internet
Waving beans
Based upon the work of A. Kitaoka
Optical illusion wallpaper
Source: Krycha182
Rotating snakes
Based upon the work of A. Kitaoka
Another trippy classic: Rollers
Source: A. Kitaoka
Peripheral vision turns stars into monsters
Full size
Source: mbthompson.com
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