The Early Childhood Development and Screen Time Toolkit, from the American Academy of Pediatrics' Center of Excellence on Social Media! “Healthy relationships with media start in early childhood. The American Academy of Pediatrics Center of Excellence on Social Media and Youth Mental Health presents the Early Childhood Development and Screen Time Toolkit, developed for use by early childhood educators, childcare providers, early interventionists, home visitors, pediatricians, or other professionals who support families with young children. Featuring tip sheets, social media messages, infographics, posters, and more we invite you to use these resources to build your knowledge about screens and early childhood and engage effectively with families.