DIY Pet Paw Prints - Could do something like this as a remembrance when beloved pets pass on. What a cool thing to do if you get them from puppy to older. Use them as a yearly dated holiday ornament (keep their dog tags / cat tags as well)
Salt dough is a traditional inexpensive material that is used to make custom ornaments (especially with kids). People have been making salt dough ornaments for decades, but there are still some ornament.