What's this?
It's a Christmas tree.
What's this?
It's a Christmas cracker.
What's this?
It's an advent calendar.
What's this?
It's a stocking.
What's this?
It's Christmas pudding.
Who's this?
It's Father Christmas / Santa.
What's this?
It's a mince pie.
What are they?
They are presents.
What are these?
These are decorations.