The teacher must decide which teaching materials will be used for role play activities. The teaching materials can be taken from text books or non-textbook teaching materials such as picture books, story books, readers, play-scripts, comic strips, movies, cartoons and pictures. The material is selected ahead of time by the teacher. The teacher can also create his or her own authentic teaching materials for role play activities. The teaching materials should be decided based on students' level and interests, teaching objectives and appropriateness for teaching