Warning: this post could really mess with your head.
1. The image at the top of this article is not a gif.
2. Nor is this one
3. This T-Rex does not move
Based on the dragon illusion, you can make and print your own T-rex here.
4. Pinwheel
5. Hidden chairs
6. The silencing illusion
7. Checkershadow illusion
As strange as it sounds, square A and square B are exactly the same colour.
8. Magnet like slopes
9. Distorted illusions
Rubik's cube
Tape
Shoe