A Christmas Eve box is a fun tradition to get children excited about Christmas. In the box, you can include fun activities, treats, and other surprises to keep the magic of Christmas alive. Some ideas for what to put in a Christmas Eve box include: a new pair of pajamas, a book to read on Christmas Eve, a Christmas movie to watch, some Christmas-themed snacks or treats, a small toy or game, and a letter from Santa. The possibilities are endless! You can customize the contents of the box to suit your child's interests and preferences.