These activities and fun exercises will help you feel braver, understand your feelings, make choices about how to react, talk to others about your worries (if you want to), and grow in courage, confidence and positivity. Mindful Kids series: These activity books are filled with age-appropriate exercises and activities designed to tackle the complex emotions children face, and to help them work out the how and why of their feelings. Paperback book. 96 Pages. Ages 8 and up.