2. Sphere Size Illusion

3. Elevator Floor or Long Drop?

4. Right or Left Window

5. Graffiti Stairs Illusion

6. Wavy Lines Illusion

7. Interesting Object

8. Ponzo Illusion

10. Kanizsa Triangle

11. Elephant Leg Illusion

12. Crazy Line Illusion

13. The Penrose Triangle

14. Reversible Picture

15. Impossible Monument

16. Landscape of Faces

17. Realistic Dice Illusion

18. Crazy Line Trick

19. Rabbit or Duck?

20. Old Lady, Young Lady or Man?

21. A Face that Lies

23. Face or an Eskimo?

24. Spinning Silhouette

25. Tallest Soldier Illusion

26. Musician or Girl’s face?

27. Life or Death

33. The Hidden Tiger

34. Street Art

37. Man in the coffee beans

38. Good or evil?

39. Do these wheels rotate?

40. Which way is up?

41. Stay!