from the Nilsens

1. 1
Optical Illusions
by Don L. F. Nilsen
and Alleen Pace Nilsen

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AMBIGUITY: EYES AND LIPS

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OLD WOMAN/YOUNG WOMAN

4. 4
OLD/YOUNG FACE

5. 5
BACKWARDS FACE
YOUNG GIRL/OLD MAN

6. 6
ESKIMO/FACE

7. 7
“THE BOYS FROM SEATTLE”

8. 8
YOUTH VS. OLD AGE

9. 9
CAT AND MOUSE

10. 10
GOOSE OR HAWK?

11. CONTEXT
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12. 12
ONE LEVEL OR FOUR?

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BOX

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LANGUAGE VS. IMAGE

17. 17
LIAR?

18. 18
LIAR

19. 19
TOKYO

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21. 21
INVISIBLE BOX

22. 22
FACE/THINKER

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24. 24
HAPPY/SAD

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SANTA CLAUS/PIPE

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Ceci n’est pas une pipe!

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INDIAN/FACE

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30. Youtube Magic:
https://www.youtube.com/watch?v=S3EhX6aCOt4
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