Can you count the black dots?
Can you see the spots?
Straight lines.
Parallel lines.
Circles at the x-ings don't exist.
Is this lady young or old?
An old young lady.
There aren't any triangles.
How many colors do you see?(Answer: 2 colors + white).
Do you see a man playing sax or a lady?
Do you see a face or the word liar?
Which line is longer?
Impossible triangle.
Which red dot is bigger?
Impossible Crate
Stare at the center of the picture for about 45 seconds. Then close your eyes.