Which colorful breakfast cereal, launched by General Mills in 1975, was quickly discontinued after children discovered it turned their tongues blue and parents worried about artificial dyes?

Major food brands invest millions in research and development, but not every product succeeds in the market. Some food launches become legendary failures despite extensive market research and celebrity endorsements. Test your knowledge about one of the most notorious food product failures that made headlines before disappearing from shelves forever. Do you know your food industry history?

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• Sir Grapefellow Cereal
• OJ's Cereal
• Crazy Cow Cereal
• Blue Berry Muffin Cereal

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