Christmas wrapping idea: Buy brown wrapping paper (cheap to buy at Walmart or a craft store) and use that paper to wrap your gifts. It's useful for every gift, and you can customize it by writing on the paper.
Wrap up twenty-five children's Christmas books and put them under the tree with a special blanket next to them. Before bed each evening, your kids choose one book to open and read together.until Christmas! You could also wrap up a few Christmas movies.