Which packaging innovation significantly increased sales of chocolate Easter eggs by making them more interactive and experiential?

Food packaging design is crucial for brand identity and consumer appeal. Beyond aesthetics, packaging must protect products, communicate nutritional information, and increasingly address sustainability concerns. This trivia question focuses on a specific packaging innovation trend that has transformed how certain seasonal food products are marketed and consumed. Test your knowledge of how strategic packaging design influences consumer behavior and product success in the competitive food industry.

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Window boxes that allowed customers to see the actual chocolate egg
Plastic eggs with toys inside that could be reused as storage containers
Self-destructing biodegradable packaging that dissolved in water
QR-coded packaging that unlocked augmented reality experiences when scanned