Hasbro, Inc. first offered Transformers, a toy line of action figures that change their shapes, in the mid-1980s. Marketed with an elaborate backstory supported by a Marvel comic book series, a cartoon television series, animated movies, electronic games, consumer goods, and even its own cereal, Transformers have remained popular ever since. Their popularity has been fueled by additional movies, television shows, and comic books. For more than 40 years now, the appeal of Transformers is, in part, that the toys do what kids do anyway—change the toy to suit the needs of play.