Haribo, gram. Get full nutrition facts. Mega-Roulette. There are calories in 1 serving, 9 pieces ( oz) of Haribo Mega Roulettes. You'd need to walk 39 minutes to burn calories. There are 87 calories in 25 gram of Mega Roulette from: Carbs 20g, Fat g, Protein 2g. % Daily Value*. Energy, kJ / kcal ; Fat,