Professor Balthazar was an inventor. One day he thought up a pair of quite extraordinary shoes. These shoes could dance, jump, chase around like an automobile; very extraordinary shoes indeed. Being the good fellow that he was, Professor Balthazar made a present of them to all his friends. For many, these extraordinary shoes solved various problems and made life easier. However, Professor Balthazar made a mistake. One day after an explosion in his laboratory our Professor found himself in the hospital. He was not lonesome in the hospital for all his friends who he helped by making a present of his extraordinary shoes came to present him with a gift, each in his particular way.