In groups of two/three students, choose one way of changing your appearance and explain it to the rest of the class. You don't need to use a power point, you only need one or two pictures to show to the class and five/ six sentences to explain it to your classmates. Write these sentences in a piece of paper but try to learn them by heart before telling them to the rest of the students. Speak as clearly as possible!
You can first watch this video to get some ideas: