Preheat oven to 325° F.

Sift together the flour, sugar, and salt. Blend these dry ingredients into the butter until it becomes a stiff dough. Shape dough into 1″ balls and place on ungreased cookie sheet. Dip the stamp of your choice in colored crystal sugar, flour, or powdered sugar and then press the stamp into the dough ball. Repeat for each ball. Bake at 325°F for 25-30 minutes.