How your child plays, learns, speaks, acts, and moves offer important clues about their development. Developmental milestones are the things children can do by a certain age. Below you will find checklists to use to see how your child is progressing in their growth and development. You will also see suggestions to share with your child's physician or teacher in the event that you are noticing some delays in your child's progress with these milestones along with some helpful suggestions for age appropriate activities and abilities.