From the Training Room to the Classroom Gratitude and happy jars made by the children and staff to store things they are thankful for, and that makes them happy. They help connect to positive emotions and build resilience. The mind pond is an exercise for younger children teaching them about different thoughts and emotions, and how they can learn to let them go. The pendulum exercise develops concentration skills. ‘We are all …’ sums up some of the things children learn about themselves through Positive Education in their classroom.