beat margarine and peanut butter at medium speed with an electric mixer, gradually add sugars, beat flour and soda gradully add to creamed mixture, mixing well. Cover and chill at least 2 hours. shape dough into 1-inch balls;taper 1 end of each ball to form a tear-drop shape. Press 1 side flat.Press flat sides an ungreased cookie sheets with cookis 2-inches apart.press in sides of dough to raise backs of mice.gently place 2 peanut halves in dough for ears.with wooden toothpick,Mack 1/2 inch deep hole at tail end. bake at 350;degrees 9 minutes remove cookies from oven. place cinnamon candies for eyes & bake an additioal 1-2 minutes or untill brown . Remove from oven, instert licorice tails and cool completyon bakeing sheets.