A small child plays with his toy pull-back car. He ponders on how far his car would advance if he pulled it back enough and sets out on his journey in reverse. A small child plays with his toy pull-back car. He ponders on how far his car would advance if he pulled it back enough and sets out on his journey in reverse. A small child plays with his toy pull-back car. He ponders on how far his car would advance if he pulled it back enough and sets out on his journey in reverse. A small child plays with his toy pull-back car. He ponders on how far his car would advance if he pulled it back enough and sets out on his journey in reverse.