The age of three marks a large jump in the development process. Children begin performing tasks which they were previously unable to do including carrying on conversations, feeding themselves, and selecting their own toys for playtime.
Rather than continuing their sole dependency on a primary caregiver, children are much more likely to feel comfortable around familiar people such as family members and other caregivers (such as daycare associates). At the age of three, children are also likely to begin establishing routines (such as brushing teeth, story-time, and bed).
The following developmental milestones should occur during the third year of life: