declining 4.5 hours of TV a day American Academy of Pediatrics children The Power of Play The Power of Play—How Fun and Games Help Children Thrive American Academy of Pediatrics essential part Playtime The American Academy of Pediatrics How Fun and Games Help Children Thrive American Academy of Pediatrics hour of unstructured play Playtime value of play The Power of Play--How Fun and Games Help Children Thrive Importance of Play child’s health and development Healthychildren.org: Caution! Children at Play! The American Academy of Pediatrics the American Academy of Pediatrics Research shows that play is vital