Objective: Understanding and Managing Stress Answer questions and complete “Zen Challenges” to help Zenda reach the temple. But be careful—you must make it to the end of the path before the ninja, who represents stress! Zenda: Stress Master is designed to help children aged 7 to 14 develop their understanding of stress and their ability to manage it in a variety of everyday situations. The game also helps them recognize that stress is a healthy and useful response, and that each person experiences it differently.