Related milestones

Reaches for toys while on tummy

Uses both hands to explore toys

Is not upset by everyday sounds

While lying on back, transfers toy from hand to the other

While lying on back, reaches both hands to play with feet

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)

Reacts to sudden noises or sounds

Listens and responds when spoken to

Begins to use consonant sounds in babbling, e.g. “da, da, da”

Uses babbling to get attention

Makes different kinds of sounds to express feelings

Notices toys that make sounds