Around 9 months your baby may

sit unsupported
bottom shuffle or crawl
clap hands together
poke at objects to make them move
pick up tiny bits of fluff or small objects with a “pincer grip”, using finger and thumb
pull to standing position in their cot or with chair support
react to familiar faces, and act warily to new ones
blow kisses
look for dropped toys
babble tunefully

playing with building blocks, and interlocking toys, first books, activity centres
giving her saucepans, lids and a wooden spoon to play with
playing music and singing nursery rhymes
pretend to have a conversation with them on the phone