Skip to main content
Lumiya
3-6 Years

3-6 Years

Preschool

In this period where imagination develops rapidly and learning through play peaks, we are here with suggestions to support your child's social, emotional, and cognitive development.

Official SourcesReliable ContentUp-to-date InfoPractical Tips

What Happens in This Period?

Key milestones across your child's developmental areas

Social Development

Friendships begin, learns to share and cooperate.

Cognitive Development

Curiosity increases, asks questions, problem-solving skills develop.

Emotional Development

Learns to express emotions, begins to empathize.

Language Development

Uses words correctly, sentence construction skills improve.

Motor Development

Fine and gross motor skills develop, participation in activities increases.

Motor Development(3 items)

See All

Filter by period and developmental area, or search.

A child's drawing of a house and sun on paper, three pastel crayons and colorful steps with a flag on top
Growth & Development

Developmental Milestones for Ages 3–6

Understanding typical developmental milestones between ages 3 and 6 can help parents support their child’s growth through play, routines, and responsive interactions. Learn what to expect and how to encourage progress without pressure.

6 min read|3-6 Years
Read
A mother and father support their child's development together during a building activity
Growth & Development

Child Development: What to Expect at Each Stage

Understand child development as a variable, interconnected process shaped by context, opportunity, and individual differences. Learn how to observe, support, and nurture growth through everyday routines without rigid timelines or comparisons.

6 min read|3-6 Years+5
Read
A father helps his daughter express her feelings using emotion cards
Growth & Development

Emotional Development in 3- to 6-Year-Olds

Learn how to support your preschooler’s emotional growth through play, routines, and co-regulation. Discover practical strategies for big feelings, sibling conflicts, and preschool transitions.

6 min read|3-6 Years
Read

Popular Topics

Go

Emotions & Behavior

Sub Topics

Crying & soothing · Anger & tantrums · Listening, limits & cooperation · Hitting, biting & aggression · Understanding & managing feelings · Fears & anxiety

Go
Crying & soothing

Crying & soothing

Anger & tantrums

Anger & tantrums

Listening, limits & cooperation

Listening, limits & cooperation

Hitting, biting & aggression

Understanding & managing feelings

Understanding & managing feelings

Fears & anxiety

Separation anxiety

Self-confidence & self-esteem

Self-confidence & self-esteem

Stress, grief & difficult events

A parent and child in a bright home pack a familiar toy into a small bag, with moving boxes behind them.
Latest Content
Moving with children: a plan for a new home and school

Make room in your moving plan for the things your child can keep: familiar belongings, everyday connections and a clear picture of the next school day.

Read
A kneeling parent gently holds the hand of a toddler looking down while wrapping the other arm around a crying child
Featured
Toddler biting and hitting: what to do from ages 1 to 5

Did daycare call to say your toddler bit someone again, or is your child hitting you? Why biting, hitting and pushing happen from ages 1 to 5, what to do in the moment and how to prevent it.

Read

Tools for this age

See All

Calculators, schedules and checklists — sign in and the results are saved to your child's profile.

Baby percentile calculatorWhere does your child's weight and height sit among children the same age? See it in seconds on the WHO growth curves.
Baby and child sleep scheduleHow much should your child sleep in 24 hours, and when should bedtime be? Calculate it from official guidance and compare it with your own log.
Potty training chartWhen to start and how to prepare? A roadmap by age, a daily routine and a printable reward chart.
Baby milestones by monthCheck off what most children your child's age can do, and talk about the rest with your doctor.
Baby vaccine schedulePick your country, enter the birth date, and see the official schedule as your own dates.
Screen time by ageSee how much screen time a day your country's official body recommends at your child's age; add daily use to compare it with the advice.
What temperature is a fever in children?See whether the temperature you measured counts as a fever according to your country's official health source, when to get help at your child's age and the warning signs.
Child Height Predictor & Genetic Target Height CalculatorHow tall will your child be as an adult? Enter both parents' heights to calculate the pediatric mid-parental target height and expected adult height range using the Tanner and AAP formulas.

Our experts are here for you

Articles include sources and editorial information. Expert approval is shown only when a verified review exists for that version.

Explore expert content
Editorial StandardsSafe ContentAge SpecificYour Privacy Matters