1. Ms. Scales

2. Are the lines straight or slanted?

3. Is the yellow or the green on top of the cubes?

4. The vertical lines are straight. (Honest!)

5. The blue lines are parallel. (Oh yes, they are!)

6. Phantom dots appear between the squares.

7. Stare hard at this for a minute. Then close your eyes, and you will see red squares on a green background.

8. What is the main shape you see?

9. Can you see the yellow squares? (But they aren't there!)

10. This makes your mind find several different shapes

11. It won't stay still!

12. Are the yellow lines the same size or different?

13. Is it moving for you?

14. It is a flat image, but does it appear that way?