Gobstopper. Nerds. Butterfinger. Crunch. Gobstopper: 60 calories per 3 packs. Nerds: 45 calories per 1 box. Butterfinger: 140 calories per 3 bars. Crunch: 150 calories per 3 bars. 1 Gobstopper pack - 20 calories. 1 Nerds box - 45 calories. 1 Butterfinger bar - 50 calories. 1 Crunch bar - 50 calories. See nutrition information for sat fat content. ferrarausa.com. Get in touch: 1-800-504-4018. ferrarausa.com.