In large bowl, beat butter and sugar with electric mixer until light and fluffy. Add eggs, one at a time, beating well after each addition. Add vanilla. Add flour mixture and mix until just combined. Stir in 1/4 cup chopped red Candy Melts, 1/4 cup green candy and sprinkles, as desired. Press mixture evenly into prepared pan. Sprinkle remaining candy and sprinkles, over top.