Prepare fudge recipe, substituting white for dark cocoa Candy Melts and adding green color and 1/8 teaspoon mint flavor. Pour mixture into waxed paper-lined pan. Immediately top with sprinkles. Refrigerate until firm.
Cut fudge with sleigh cutter from set; position on waxed paper-covered board. Using melted candy in cut parchment bag, pipe trim on sleigh top. Tint portions of melted white candy green using candy color. Pipe runner on sleigh bottom. Insert Santa pick.