4 year olds...
Here are some typical developmental milestones for four year olds that I found from various lists and have put together to keep it short, sweet and helpful.
Social / Emotional
*Enjoys trying new things
*Plays "mom" and "dad"
*Is more and more creative with make believe play
*Would rather play with other children than by himself/herself
*Cooperates with other children
*Wants to please friends
*Often can't tell what's real and what's make believe
*Talks about what he/she likes and what she is invested in
*Sometimes demanding, sometimes eagerly cooperative
*Knows some basic rules of grammar, such as "he" and "she"
*Can say first and last name
*Sings a song or says a poem from memory such as "Itsy bitsy spider"
*Speaks sentences of more than five words
*Uses future tense
*Names some colors and some numbers
*Understands the idea of counting
*Starts to understand time
*Draws a person with two to four body parts
*Understands the idea of "same" and "different"
*Starts to copy some capital letters
*Names four or more colors
*Plays board or card games
*Can count ten or more objects
*Knows about things used every day in the home (money, food, appliances, etc)
*Tells you what he/she thinks is going to happen next in a book
Physical / Motor skills
*Hops and stands on one foot
*Catches a bounced ball most of the time
*Uses scissors with supervision
*May be able to skip
*Swings and climbs
Center for Disease Control and Prevention
American Academy of Pediatrics