13 months

• Uses two words skillfully (e.g., "hi" and "bye")
• Bends over and picks up an object

• Enjoys gazing at his reflection
• Holds out arm or leg to help you dress him

• Combines words and gestures to make needs known
• Rolls a ball back and forth

14 months

• Eats with fingers
• Empties containers of contents
• Imitates others

• Toddles well
• Initiates games
• Points to one body part when asked
• Responds to instructions (e.g., "give me a kiss")

• Uses a spoon or fork
• Matches lids with appropriate containers
• Pushes and pulls toys while walking

15 months

• Plays with ball
• Uses three words regularly
• Walks backward

• Scribbles with a crayon
• Runs
• Adopts "no" as his favorite word

• "Helps" around the house
• Puts his fingers to his mouth and says "shhh"

16 months

• Turns the pages of a book
• Has temper tantrums when frustrated
• Becomes attached to a soft toy or other object

• Discovers the joy of climbing
• Stacks three blocks
• Uses spoon or fork
• Learns the correct way to use common objects (e.g., the telephone)

• Takes off one piece of clothing by himself
• Gets finicky about food
• Switches from two naps to one

17 months

• Uses six words regularly
• Enjoys pretend games
• Likes riding toys

• Feeds doll
• Speaks more clearly
• Throws a ball underhand

• Dances to music
• Sorts toys by color, shape, or size
• Kicks ball forward

18 months

• Will "read" board books on his own
• Scribbles well

• Strings two words together in phrases
• Brushes teeth with help
• Stacks four blocks

• Throws a ball overhand
• Takes toys apart and puts them back together
• Shows signs of toilet training readiness

19 months

• Uses a spoon and fork
• Runs
• Throws a ball underhand
• Enjoys helping around the house

• Understands as many as 200 words
• Recognizes when something is wrong (e.g., calling a dog a cat)

• Washes and dries own hands with help
• Points to picture or object when you call it by name
• May know when she needs to pee

20 months

• Feeds doll
• Takes off own clothes
• Dumps an object in imitation, such as throwing garbage away

• Learns words at a rate of ten or more a day
• Can walk up stairs (but probably not down)

• May start exploring genitals
• Draws a straight line
• Names several body parts

21 months

• Can walk up stairs
• Able to set simple goals (e.g., deciding to put a toy in a certain place)

• Throws a ball overhand
• Kicks ball forward
• Stacks six blocks

• Names simple picture in a book
• Can walk down stairs

22 months

• Kicks ball forward
• Follows two-step requests (e.g., "Get your doll and bring it here")

• Does simple puzzles
• Draws a straight line
• Names several body parts

• Puts on loose-fitting clothes
• Might be ready for a big bed
• Understands opposites (e.g., tall vs. short)

23 months

• Names simple picture in a book
• Uses 50 to 70 words

• Opens doors
• Sings simple tunes
• Takes more of an interest in playing with other kids

• Talks about self (likes, dislikes)
• Asks "why?"

24 months

• Names at least six body parts
• Half of speech is understandable
• Makes two- to three-word sentences

• Talks about self
• Arranges things in categories
• Can walk down stairs

• Begins to understand abstract concepts (e.g., sooner and later)
• Becomes attuned to gender differences
• Learns to jump