2. A lovely vase?

4. Are the horizontal lines parallel?

6. Are the leaves really waiving?

7. Are the lines horizontal and parallel?

11. A cube in a room or a cube with a bit missing?

12. Are the lines straight?

14. Are the squares A and B the same color

16. Are the wheels really turning?

17. Can you see the eyes rotation?

18. Can you tell what this is a picture of?

20. Do the gears rotate slowly?

21. Do the white arrows exist?

23. Duck or rabbit?

25. Face or Eskimo?

26. How many black circles can you see?

27. Is the book pointing towards you or away?

28. Is this a level balance?

30. More than just three packman?

32. Are the centers color the same?

34. Stare at the cross for 60 Seconds and then click “Solution” to remove the color. You should see a colored after glow

36. Three lines make a?

38. What do you see?

40. How does your head feel? Book 2 Coming soon!