Crazy illusions

Love pictures like this!

Well, an optical illusion happens, obviously.

Here is very interesting Upside Down Optical Illusion. You will have one view in one side and then turn the picture upside down to have a look at the another version of the same picture. An intelligent Optical Illusion indeed.

Look at this. Then squint until eyes are almost closed... It works!!

Are there 3 or four bars? | Optical Illusion | Know Your Meme

Shake your phone or monitor gently. (optical illusion... Tge blue dots will wobble)

This magic eye illusion art shows a hidden question mark when viewed the stereogram way.