Brain-Boosting Playtime! A baby's day is packed with learning, equivalent to a month for an adult! ✨ It's an intense period of growth! ✨ By playing and interacting in ways that match their developmental stage, you can boost their brainpower and abilities! ✨ ○ Fun Brain-Boosting Playtime for Babies - Author: Hiroki Yanagisawa - Target Age: 0-3 years old - Content: A book introducing methods for brain-boosting play ○ The Trap of the Maternal and Child Health Handbook The unknown truth of maternal and child health! The author, a father of a son and a daughter and a hospital director, reveals the shocking truth of the Maternal and Child Health Handbook (*0*)!! Very informative! Both books were purchased new. There is a slight stain on the top. Please understand that these are used items before purchasing m(*_ _)m