By end of 2 years

Language

Points to Object or picture when its named for him/her
Recognizes names of familiar people, objects and body parts
Says several single words
Uses two-to-four word sentances

Movement

Walks alone
Pulls towys behind him/her while walking
Begins to run
Stands on tiptoes
Kicks ball
Climbs onto and from furniture unassisted
Walks up and down stairs holding on to support

Hand and Finger Skills

Scibbles Spontaneously
Turns over container to pour our contents
Builds Tower of four blocks or more
Might use one hand more frequently than the other

Cognitive

Find objects even when hidden under two or three covers
Begins to sort by shapes or colors
Begins make-belive play