2 years & up. It's never too soon for children to learn that violence is never okay, hands can do many good things, and everyone is capable of positive, loving actions. In this Best Behavior® Bilingual Board Books Set, simple words and full-color illustrations teach these important concepts in ways even very young children can understand. This board book series explains how words can hurt someone's feelings, hitting friends is not nice. voices are not for yelling, and diapers aren't to be worn forever. Each book has simple words and pictures illustrating ways to cope with frustration, anger, or sadness. Set of 4 board books in English and Spanish.