Brain Teasers

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Optical-Illusion Teasers

30 Teasers in this category.

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1 Man or Woman

(3.06)

(1.9)
2 Elephant

(3.11)

(1.9)
3 Glasses and Dumbbells

(2.66)

(1.9)
4 Circle Square?

(3.06)

(1.9)
5 Right Angles

(2.44)

(1.9)
6 Unstable Fins

(2.77)

(1.9)
7 Frazer's Spiral

(3.37)

(1.9)
8 Impossible Stairs

(3.02)

(1.9)
9 Moving Spokes

(2.92)

(1.9)
10 Chair or Block

(2.73)

(1.9)

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