ILLUSIONS

Look at the red dot in the middle and move your head towards and away from the screen. See how the outer rings appear to rotate?

How many legs does this elephant have?

Can you see black spots appearing and disappearing in intersections?

Can you see both the young woman and the old woman in this classic optical illusion?

Look at the two thick vertical lines. Do they look straight or curved to you? Hold a ruler up to the screen and you will see that they are indeed straight.

Can you see both a portrait of a woman and a silhouette of a man playing the saxophone?

Are the holes on the inside or outside?

Which point is the top of the stairs?

Adding more stuff, keep checking!