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.
Need an easy DIY Christmas craft project for kids this year? Repurpose some mason jar lid rings / bands by creating adorable "wreath" ornaments to hang on the tree! A simple repurpose / upcycle projec (Diy Ornaments)