She turns four the week before Christmas, so who is going to have time to bring the kids?
The food prices at these places are a joke.
Im.not a People Person 
She will want the whole class to come, at Pre School, and her closest friends there change week on week.
But would an empty hall with our own buffet and party games be enough to keep a bunch of 3/4yos happy? At least with softplay (private room), I wont have to entertain