Obviously don’t overwhelm him, but I think whilst he’s there he should be “at least as interesting” to you as the baby.
Depending on the relationship you have with your daughter and his father (and how they feel about it), I’d see if he wanted to help cook, show you the garden, his books, his toys...
Ask about the baby “through him” - “can the baby hold your finger?” “Is he very noisy” things like that.
As others have said, he is a “big brother” now.
Regarding gifts, find out what sort of thing he likes. I, personally would take a “hello” gift but not a wildly extravagant one. No doubt you will take something for the baby as well!
I miss the woman my daughter was before she lost her husband
Soops kitchen, a place of reflection, refuge and at times revelry.
