Confidence Building Activities for Teenagers. Developing confidence is an important part of growing up and establishing a healthy life and world view. We usually associate team building activities with the workplace, as a method of strengthening teamwork and improving work performance.However, team building activities can also be beneficial for other groups. A Complete Guide To Team Building Activities For Teens. To carry out the tasks assigned to us naturally or by someone else. One way of doing this is by playing team-building … They tend to believe in what they think is right. A person who has confidence is viewed as being more capable, and is more likely to get jobs and achieve success. Kids are the best example of living life with full confidence and self-esteem, because they are habitual of snatching their rights if someone denies doing so. As an adult, being placed in new situations or facing change can shake your confidence. To function at your best, your confidence needs to be strengthened. Confidence is important in our society. Every age group requires some sort of motivation.