Bigger sizes of clothes, he’s getting a high chair and a buggy steering wheel too so we’re ready for when he starts sitting
Clothes, any developmental toys they'll need in the next year, money for savings account. Personalised Christmas stocking.
For other people I will just be telling them clothes or money. From santa (for the benefit of our toddler) we'll get some little teething toys and general things which will be useful for us/baby in the coming months.