Walks down stairs alone, placing both feet on each step

Walks up stairs alternating feet with support

Swings leg to kick ball

Runs easily

Pedals tricycle

Bends over easily without falling

Makes vertical, horizontal, circular strokes with pencil or crayon

Turns book pages one at a time

Builds a tower of more than 6 blocks

Holds a pencil in writing position

Screws and unscrews jar lids, nuts and bolts

Turns rotating handles (door knobs)

Uses pronouns (I, you, me, we, they)

Understands most sentences

Recognizes and identifies almost all common objects and pictures

Shows frustration when not understood by others

Understands physical relationships (on, in, under)

Can say name, age, and whether boy or girl

Uses words to communicate wants and needs

Knows simple rhymes and songs

Strangers can understand most words

Climbs well

Makes mechanical toys work

Matches an object in hand or room to a picture in a book

Plays make-believe with dolls, animals, and people

Sorts objects by color

Completes puzzles with 3 or 4 pieces

Understands concept of

Sits and listens to stories

Can pull pants down with help

Helps puts things away

Serves self at table with some spilling

Begins to separate more easily from parents

Uses the word

Says

Expresses a wide range of emotions

Objects to major changes in routine, but is becoming more compliant

Begins to follow simple rules

Developmental Checklist (24 to 36 months)