Little Actions. Big Impact!

All the tools you need to help your child learn and grow

from PA Promise in partnership with OCDEL

Developmental Milestones Checklist: What changes should you expect as your child grows?

This milestone chart can help you check your child's development against common milestones.


Two and a half years

Mom with toddler boy examining leaf

Testing boundaries. Children at this age are likely to insist on completing tasks without help. Expect to hear words and phrases such as "mine," "no," and "me do it." At the same time, they are becoming more social and may play more cooperatively with others.

Check the box on each line that mentions at least two activities your child is doing, then click Tell me more.

Tell me more!

Concerned about your child’s development?

Call Pennsylvania’s CONNECT Helpline at 1-800-692-7288 for information about your child’s development and connecting to Early Intervention services in Pennsylvania.

Call Child Care Works Helpline at 1-877-4-PA-KIDS (1-877-472-5437) for information about finding, paying for and other concerns related to child care.

Learn more about these Helplines