Braille is a system widely used by people with sight impairments. Braille is a tactile writing system. Braille has an intersting history. It is based upon a writing system invented under the rule of Napoleon so soldiers could communicate silently without the aid of a light. Each Braille character is made of of six dot positions, for a total of sixty-four combinations.
INSTRUMENTAL READING - if you have a baby, it is neccessary to know how to use this changing station