Tag Archives: visual perception

Giant Snail Illusion

optical illusion giant snail

What do you do when you see a giant snail attacking a defenseless woman? Simply move to another angle! Scroll down to see how this amazing 3D chalk drawing was designed in order to manipulate our visual perception. Continue reading


The Coffer Illusion

Find the 16 circles

Look closely at the picture shown above. The numerous horizontal and vertical stripes are easy to spot, but how many circles do you see? After you have finished counting the number of circles, go to page 2 for the correct answer and an explanation.


The Thatcher Illusion


Look carefully…there’s something pretty special about the images above. What’s so great about four upside-down faces you ask? See for yourself. Below we have the same images when positioned right-side-up: Continue reading