Play by age and stage: what your baby needs, and when

Play is how babies learn. Not structured, goal-oriented play — just free, hands-on exploration of objects, faces, sounds, and movement. In the first two years, the most developmentally valuable play is almost always simple, interactive, and doesn't require spending anything.

0–3 months: faces, voices, and contrast

At this stage, babies can focus at about 20–30 cm — roughly the distance between your face and theirs during feeding. Their most compelling object is your face.

What works:

• Face-to-face interaction: exaggerated expressions, calling their name, pausing to let them respond
• Contrasting patterns: black-and-white images, simple high-contrast cards or books
• Gentle sound exploration: singing, talking, rattles, different textures against their palms
• Tummy time on the floor, with you on your front at their level

Toys are unnecessary at this age. A face, a voice, and a few safe objects to explore are everything.

3–6 months: reaching, grasping, and cause-and-effect

Babies this age are discovering that their hands belong to them and can do things. Reaching and grasping become deliberate. Cause-and-effect emerges: "if I kick this, it makes a noise."

What works:

• Objects to grasp, mouth, and shake — soft rings, fabric books, rattles
• A play gym with hanging objects to bat and reach for
• Mirrors: babies this age are fascinated by faces, including their own
• More tummy time — they're getting stronger and starting to enjoy it
• Songs with movement: "Row Your Boat", clapping games, bouncing rhythms

The most effective toy at this stage is one that responds — either a caregiver, or something that makes a noise when they hit it. The feedback loop is the developmental value.

6–12 months: object exploration and early social games

Mobile babies explore everything they can reach. From around 6 months, play becomes more deliberate: picking up, mouthing, dropping, banging, passing between hands.

What works:

• Objects of different textures, weights, and materials to handle and mouth (check for choking hazards — nothing smaller than a 35mm film canister)
• Containers to fill and empty — cups, bowls, soft blocks
• Simple cause-and-effect toys: stacking cups, pop-up boxes, anything that makes a satisfying noise when operated
• Peek-a-boo and hide-and-seek games — these directly build object permanence (the understanding that things exist even when hidden)¹
• Books with simple, clear pictures — pointing and naming objects

From around 9 months, social games become more sophisticated: waving, pointing, giving-and-taking objects back and forth. These serve social development as much as cognitive development — they're the early back-and-forth of communication.²

12–18 months: imitation and early pretend

Toddlers imitate. Anything you do — sweeping, stirring, talking on the phone — will be copied. This imitation is how they learn how the world works.

What works:

• Simple pretend-play props: a toy phone, small kitchen items, a baby doll
• Stacking and sorting toys — blocks, shape sorters, rings on a post
• Push-along toys that aid early walking (not as a primary support, but for play once walking is underway)
• Ball play: rolling, throwing, chasing
• Books with simple narratives and familiar objects — point and name together

Continue building language through play: narrate what you're both doing ("you're stacking the red block on top"), ask simple questions ("where's the ball?"), and respond enthusiastically when they point or vocalise.²

18–24 months: parallel play, pretend, and building

At this age, toddlers play alongside other children more than with them — this is called parallel play and is developmentally appropriate. Don't expect sharing or collaborative play yet.

What works:

• Simple pretend play that extends: feeding the baby doll, putting the bear to bed, driving the toy car somewhere
• Art materials: large crayons, big paper, chunky paintbrushes, play dough
• Outdoor exploration: sand, water, grass, sticks, stones — unstructured sensory play
• Building with blocks, nesting cups, simple puzzles with large pieces
• Books with slightly more narrative — simple stories they can follow

Screen time: the AAP guidance

The AAP's position on screens under 2 is specific and worth knowing directly:³

• Under 18 months: No screen media other than video calls (e.g. FaceTime with a grandparent). This is not "limit screens" — it's avoid them.
• 18–24 months: High-quality, age-appropriate programming only, watched with a parent or caregiver, not as background TV or solo viewing. The co-viewing matters: a caregiver explaining what's on screen is what converts screen content into learning. Without that, under-2s don't learn from screens the way older children do.

The reason for this is developmental, not moral. Babies and toddlers under 2 learn from face-to-face interaction and hands-on exploration at a rate they cannot replicate from screens. Video chat works because it's interactive. Passive viewing doesn't produce the same learning.³

Background TV — TV on while your baby is in the room even if not directly watching — is also worth limiting. It reduces the number of words adults direct at babies and fragments the back-and-forth interaction that builds language.³

Why open-ended beats branded

The most widely sold "educational" infant toys make specific promises — boost IQ, accelerate language, develop fine motor — that rarely have supporting evidence from independent research.

Open-ended materials (blocks, containers, fabric scraps, cardboard boxes, spoons, bowls) produce more varied and sustained play because the child determines what happens, not the toy. A shape sorter that makes a sound when used correctly teaches one thing. An empty cup can be a hat, a drum, something to fill and empty, something to stack, something to peer through, something to share with a parent.

Interaction — a caregiver playing with the baby — outperforms any toy. The toy's job is to be interesting enough to justify sitting on the floor together.¹

← Back to the complete guide: Baby development from 0 to 24 months

Also in this cluster: Social smiles and attachment · Language development 0–12 months

Sources

1. American Academy of Pediatrics. "The Importance of Play in Promoting Healthy Child Development and Maintaining Strong Parent-Child Bond." healthychildren.org, 2023. https://www.healthychildren.org/English/ages-stages/Pages/Importance-of-Play-for-Your-Childs-Development.aspx
2. NHS. "Your baby's development." NHS, 2023. https://www.nhs.uk/conditions/baby/babys-development/
3. American Academy of Pediatrics. "Screen Time and Children." healthychildren.org, 2023. https://www.healthychildren.org/English/family-life/Media/Pages/Where-We-Stand-TV-Viewing-Time.aspx