Line 2 cookie sheets with waxed paper. In small microwavable bowl, microwave pink candy melts uncovered on Medium (50%) 30 seconds, then in 15-second increments, until melted; stir until smooth. Spoon melted candy into large decorating bag fitted with #5 tip or other small round tip. Pipe 8 pairs of butterfly wings (3 inches across) onto cookie sheet. Sprinkle with sparkling sugar or nonpareils. Repeat with remaining candy melts, sugar and nonpareils. Let stand until set.