I believe that the best leisure activities for teenagers is playing badminton. Firstly, when they play badminton, it will be able to keep fit. Besides, it help teenagers develop height in their growing age. Secondly, it helps teenagers relaxing whenever they feel stress. In addition, this hobby can be very important for teenagers. Finally, playing badminton gives them a lot of fun and health. For these reasons, I think playing badminton is the best for teenagers.