Optical Illusion - Which is the Largest?

Which object below is the largest?

See Another Random Optical Illusion

Scroll down for the answer and explanation.

None, they are all the same size.

Explanation

Different objects, in different orientations can look larger or smaller as demonstrated in this optical illusion.

Del.icio.us     Digg This     Technorati     BlinkList     Furl     Reddit