Addy Junior - Mein Koerper (ナンティージュニア - 私の体, Nantī Junia - Watashi no Karada) is a Nintendo DS game created by German developer Ravensburger. It is designed for children ages 4 to 7 and focuses on educating them about their body and health. The game features a 3D avatar of the player which they can dress up and customize. Players learn about the organs, bones, and muscles of the body, as well as nutrition and hygiene. Through mini-games and quizzes, they can test their knowledge and earn rewards. The game also includes an encyclopedia of body parts and health topics, as well as a dictionary of medical terms. The game is designed to be both fun and educational, and encourages players to take an active role in their own health and wellbeing.