1In medium bowl, stir cookie mix, melted butter, egg and flour until soft dough forms.
2Divide dough into eight even sections. Shape each into a roll, 8 inches long and 1/2 inch in diameter. Roll in candy sprinkles. Wrap and refrigerate at least 2 hours until firm.
3Heat oven to 350°F. Cut each roll into 24 (1/4-inch) slices. Place 1/2 inch apart on ungreased cookie sheets.
4Bake 5 to 7 minutes or until light brown. Cool 1 minute; remove from cookie sheets to cooling rack.