While lying on back, visually tracks a moving toy from side to side
While lying on back, attempts to reach for a toy held above their chest
While lying on back, keeps head centered to watch faces or toys
Able to calm with rocking, touching, and gentle sounds (at 0-3 months)
Enjoys a variety of movements (at 0-3 months)
Uses both hands to explore toys
Generally happy when not hungry or tired
Brings hands and objects to mouth
Able to calm with rocking, touching, and gentle sounds (at 4-6 months)
Is not upset by everyday sounds
Enjoys a variety of movements (at 4-6 months)
Explores and examines an object using both hands and mouth
Turns several pages of a chunky (board) book at once
Experiments with the amount of force needed to pick up different objects
Focuses on objects near and far
Investigates shapes, sizes, and textures of toys and surroundings
Observes environment from a variety of positions – while lying on back or tummy, sitting, crawling, and standing with assistance
Enjoys a variety of movements – bouncing up and down, rocking back and forth
Has a regular sleep schedule
Helps with getting dressed/undressed
Eats an increasing variety of foods
Enjoys listening to songs
Explores toys with fingers and mouth
Crawls to or away from objects baby sees in the distance
Flips switches on and off
Uses crayons, pens, or markers to make marks on paper
Sorts shapes and colors
Stacks 5 or more small blocks or toys on top of each other
Takes toys apart and puts them back together