If you don't have a fireplace, but still want to hang stockings and decorate a mantel, you can craft one out of cardboard! Using cardboard display boards (ones students use for science projects), you can build a realistic (and lightweight) fireplace.
Make your own Cupcake Ornament. Dollar store bulb, cupcake paper, some glitter and ribbon. I got some Christmas silicone cupcake papers on clearance - think I'll use them for this decoration with grandkids next year.
Tulle Santa Wreath Tutorial -- Who doesn't love a fun wreath on their door this time of year? The problem is they cost more than most of the presents on your kids' Christmas list, or they can take longer to make than a roasted goose. Not this wreath!
Snowflake or Christmas ornament made out of noodles & spray paint (how to make christmas tree ornaments Christmas crafts for kids pasta -- spray painted gold, silver, or white or glittered would be pretty too).