optical illusions

Amazing optical illusions that is going to keep you thinking.. Click on the image to view full image:

Young lady or old woman?	Young girl or old woman?	Which way to get up?
Which red circle is larger?	Which line connects to C?	Who is taller?

Which middle line is longer?	Which black rectangle is larger?	Weird cube design
Vase or two people?	The green is the same color	Focus on center while moving your head

The top lines are the same size	The green color is the same throughout	Stare at the dot, the grey haze will disappear
Square has curved inside?	Slow gears moving	Skull or Ladies?

Seal or Donkey?	Sax player or woman?	Same size squares
Rabbit or Duck?	Really a spiral?	Rabbit or Duck?

Physically possible?	Parallel Blocks	Moving Straight!
How can you keep climbing?	Hidden answer	Have a seat

Figure this out!	Father or Son?	Eskimo or Indian?
E or black lines?	Cube missing or a small one rotating on large one?	Circle turns to green

Can you stack these blocks?	Parallel black lines	Bird with woman or Fish with canoe?
Appears to be bulge but consists of only sqares	Mechanically Adept	4 or 3 Feet?

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