In the old days, there were only the animal, vegetable, and mineral kingdoms, but this film adds a new one: the plastic kingdom. In this cute educational film, little Susie doesnât know about the fourth kingdom as she plays twenty questions, though, so her engineer dad has to set her straight. Unfortunately for the other kids at Susieâs party, dad then launches into a lesson on plastics, thermoplastics, thermosetting compounds, and plastic production. This film was sponsored by GE, and shows all the wartime and peacetime applications of plastics. Then to the best most entertaining part, the film goes on to speculate wildly about the ways plastic might be used in the future: plastic shoes, fabrics, and more. The Kingdom of Plastics illuminates the post World War II demand for peacetime plastic uses, as well as providing campy entertainment in a wonderful vintage film.