If you move away from the center you can see the circle start to move.
Can you tell us what vertical line is longer? Post your answer in our comments.
This T-Rex's head and eyes seem to follow you wherever you go.
Here is another counting illusion. How many faces can you find.
KST can only see about 14 cubes.
Mind = Blown. Wait for it...
Magician Rich Ferguson doing a Halloween head drop trick on the streets of his home town San Luis Obispo. During the day, this is a great illusion, but during night and in a more vulnerable setting, this freaks people out BIG TIME!
This is a pretty cool illusion made from wood.
These lines are straight as an arrow.