Clay critters features a series of photographs. The book is in a comic book format. The photographs themselves depict animal and fantasy characters made mostly from Play doh (TM), as well as clay and other modeling materials. Each photograph is accompanied by a brief caption. At the end of book, there is a description of how the reader can make his or her own modeling material from commonly found materials, specifically, salt, flour, water, cooking oil, creme of tartar and food coloring. The tone of the book is humorous, in keeping with many comic books of this nature.