No, no, no to Christmas Eve boxes. Christmas is commercialised enough.
Personally I abhore the vulgar excesses at Christmas time.
When my children were small they didn't open presents until we came back from the morning church service. When they were old enough for Midnight Mass attendance and Father Christmas had been exposed as a children's hoax, we opened presents on our return, before going to bed. Christmas decorations go up on Christmas Eve and down on 5th January. Presents are modest, food is traditional Christmas celebration food but not in excessive amounts. Christmas done.