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PLAY QUESTION

What Is Parallel Play, and at What Age Do Children Start Playing Together?

Parallel play is when young children play near each other while each stays busy with their own play. Sources place playing together at about two and a half or in the preschool years, and the ages are loose.

What Parallel Play Means

Parallel play is playing side by side. Your child sits near another child. Both are busy. They are not really playing with each other yet.

A medical reference describes it like this: "Playing alongside another child, both intent on similar objects of the play without direct interaction is known as parallel play." (StatPearls Publishing, 2023)

A guide from ZERO TO THREE says it in plainer words: "Parallel play is when young children play near one another while remaining focused on their own play." (ZERO TO THREE, 2026)

So picture a toddler filling a bucket next to a friend who is also filling a bucket. Neither talks to the other. That is parallel play.

When Parallel Play Tends to Start

The same ZERO TO THREE guide gives a loose starting point: "Parallel play often emerges at around 15 months, but there is no firm start or end date."

It also says when parents tend to see it: "It often becomes noticeable around age 2 and can continue into the preschool years alongside more interactive types of play."

Children notice each other well before that. A research encyclopedia notes: "By six months of age, infants can communicate with other infants by smiling, touching and babbling." (Encyclopedia on Early Childhood Development, 2005)

When Children Start Playing Together

The sources do not all give the same answer. Here is what each says.

The Academy also describes what comes with playing together: "They can now understand that each of their playmates has many unique qualities, and that some are easier to get along with than others."

Why the Ages Are Loose

Play does not move in a straight line. ZERO TO THREE puts it this way: "Stages of play often overlap, and children may move between them depending on the activity, setting and people involved."

So a child may play with a cousin at home and play alongside other children at the park on the same day.

Sharing can wobble too. StatPearls reports: "However, as the autonomous self develops between ages 2 to 3, sharing declines." The source describes both things happening over the same span. This page does not treat that as proof of cause.

Pace differs from child to child. The NHS guide says: "Some children will want to take friendship making more slowly than others."

What the Sources Do Not Settle

Making Room for Play

The CDC page of milestones by 30 months offers a simple idea: "Let your child play with other children, such as at a park or library." It gives a reason in its own words: "Playing with others helps him learn the value of sharing and friendship."

Time near other children is common even for the very young. The encyclopedia says: "Furthermore, even younger infants and toddlers often spend time with peers through informal arrangements between parents or formal child-care provision."

Playing side by side is still play. Your child can be near other children and stay busy with their own game.

This page shares general information and is not medical advice. If you have questions about your own child, your child's doctor can help.

Sources

We read each of these on October 11, 2026.

More about play

This page answers one question. For the wider picture, see what play can support.

By TeeterTop editorial. Updated .