Pictogram Puzzles are fun and challenging puzzles that use simple pictures to represent words or phrases. Each puzzle consists of a series of pictograms that must be decoded in order to solve the puzzle. The puzzles can range from simple to complex, and can be used to teach problem-
From Wikipedia
A pictogram is a graphic symbol that conveys meaning through its visual resemblance to a physical object. Pictograms are used in systems of writing and visual communication. A pictography is a writing system which uses pictograms. Some pictograms, such as hazard pictograms, may be elements of formal languages.