After a hard day of play, a boy is called inside for dinner, but sent away to wash up first. He happens upon a Marvelous Mud Washing Machine in the forest behind his home, enters in one end, completes a series of steps to get clean, and comes out on the other end a shiny, clean child. Emphasis is placed on the word marvelous throughout the text.After a hard day of play, a boy is called inside for dinner, but sent away to wash up first. He happens upon a Marvelous Mud Washing Machine in the forest behind his home, enters in one end, completes a series of steps to get clean, and comes out on the other end a shiny, clean child. Emphasis is placed on the word marvelous throughout the text.