 
          Find a  range of amazing optical illusions right here at Science Kids. Enjoy unique images designed to deceive the eye and test the brain.
              
          Photo name: Sander Illusion 
                Picture category: Illusions
                  Image size: 12 KB 
                    Dimensions: 760 x 271 
              Photo description: This optical illusion is known as the Sander illusion,  or Sander parallelogram. While one of the blue lines appears to be longer than  the other, they are in fact both exactly the same length.