Optical Illusions that move

These are illusions in that they don't move, but trick your eyes they do. Don't know why. Click on the images for a better view.
This is my favourite, makes me go all wooee.

This guy is gong places, I think.

Illusional art. 

It's woohoo time again.

Time is moving on.

Moving blobs.

A Dutch invention, maybe their only one.

More tomorrow...