Almost one in six children in Germany between the ages of four and sixteen is overweight. Treatment is often difficult, and affected families frequently feel overwhelmed and give up. But it doesn't have to be that way! "Obeldicks," a holistic training program for overweight children, and "OptimiX," a practical nutrition concept for children—both developed by scientists and tested in practice—can help parents and educators work together with children to overcome unhealthy eating and exercise habits. The guide provides parents and educators of overweight children with numerous exercises, tips, and recipes on how to strengthen their children's resources and find a healthy lifestyle and eating habits.