Puzzles and Brain Teasers
Optical Illusion. Stare at the Dot. Then move back and forth! (You should see the rings spinning in opposite directions). Wallpaper and background images in the Puzzles and Brain Teasers club tagged: illusion optical illusions brainteasers puzzles.
Submitted by Stevey711
Keyword: illusion, optical illusions, brainteasers, puzzles