Related milestones
In simple play imitates others
Investigates shapes, sizes, and textures of toys and surroundings
Participates in two-way communication
Sits without support
Sits and reaches for toys without falling
Shows more control while rolling and sitting
Picks up small objects with thumbs and fingers
Explores and examines an object using both hands and mouth
Experiments with the amount of force needed to pick up different objects
Observes environment from a variety of positions – while lying on back or tummy, sitting, crawling, and standing with assistance
Shows recognition of commonly used words
Uses simple gestures, e.g. shaking head for “no”