LEARNING WITH PLAY SUMMER IS COMING! Is Thomas Tank Engine good for kids? Thomas is the best for all ages! Thomas is a great role model for kids growing up. It teaches the value of friendship, teamwork, and getting along with others. What does Thomas and Friends teach? One of the central themes of Thomas and Friends is the importance of friendship and teamwork. The trains on the Island of Sodor demonstrate the power of collaboration and mutual support in overcoming challenges.