Sits without support
Makes sweeping motion to reach for things
Babbles

Combines syllables to form word like sounds
Crawls or lunges forward

Stands with support or while holding something
Waves to say goodbye
Bangs objects to produce sounds

Uses 'mama' or 'dada' to parents, not necessary the right one

Crawls

Passes object from hand to hand

Stands with support or while holding something
Masters crawling
Points at objects

Pulls self to standing position and tries to cruise with support of walls or furniture
Picks things up using 'pincer grasp' or using thumb and finger
Tries to express himself using gestures

Combines syllables to form word like sounds
Stands with support or while holding something

Picks things up using 'pincer grasp' or using thumb and finger
Tries to cruise with support of walls or furniture
Bangs objects together

Plays infant games with small rhymes
Says 'dada' and 'mama' to the right parent

Waves to say goodbye
Picks things up using 'pincer grasp' or using thumb and finger
Masters crawling
Explores and cruises

Says 'dada' and 'mama' to the right parent
Responds to own name

Understands 'No'
Expresses himself using gestures

Drinks from a cup
Stands alone without support for a couple of seconds
Puts objects in a container and pull them out

Says 'dada' and 'mama' to the right parent
Plays infant games with small rhymes
Stands alone without support for a couple of seconds

Imitates what others are doing
Puts objects in a container and pull them out
Understands simple sentences and instructions

Drinks from a cup
Learns one word besides 'mama' and 'dada'
Stoops while standing

Imitates what others are doing
Jabbers and make sounds that are like words
Expresses himself using gestures

Learns one word besides 'mama' and 'dada'
Takes a few steps
Understands simple sentences and instructions and responds to them

Scribbles with crayon
Masters walking
Learns two words besides 'mama' and 'dada'