Grow Your Kids The TREE (Talk Read Engage Encourage) materials in this section have been developed by the Maryland Chapter of the American Academy of Pediatrics. They are designed to help parents develop positive loving connections with their babies. Have fun, play, and create special time together. Your baby’s development is stimulated by emotionally connecting with YOU!!! TREE 0-4 MONTHS Hand Out TREE 4-8 MONTHS Hand Out TREE 8-12 MONTHS Hand Out TREE 12-18 MONTHS Hand Out TREE 18-24 MONTHS Hand Out TOYS FOR BABIES AND TODDLERS Hand Out ActiviTREE