2 years & up. This board book series explains how words can hurt someone's feelings, hitting friends is not nice, and biting hurts. Each book has simple words and pictures illustrating ways to cope with frustration, anger, or sadness.
18 months & up. Each book helps young children learn about their emotions. Identifying feeling is the first step in emotional intelligence. Showing example of what emotions look and feel like help children better understand how to deal with them in various situations.