Final answer:
Mr. Wonka's gobstoppers are special because they are everlasting, representing a fantastical and magical approach to candy that goes beyond reality and provides an endless sensory experience, which is a contrast to the moderation suggested in real-world health guidelines.
Step-by-step explanation:
Mr. Wonka's gobstoppers from the fictional world created by Roald Dahl in Charlie and The Chocolate Factory are special because they are everlasting. Unlike typical candies that diminish as one sucks on them, these gobstoppers are designed to last forever without getting smaller. The remarkable properties of the gobstopper align with the whimsical and magical theme of the story, where the sense of taste is highlighted as an important sensory experience. The gobstoppers appeal to the characters' and readers' imagination, showcasing a creative and fantastical approach to candy-making that defies the usual conventions in our reality.
Just like the sourness and sweetness of the Sour Patch Kids that transition from a tart to a sweet taste, Mr. Wonka's gobstoppers provide an endless sensory experience. However, the magic of the gobstoppers is in their perpetual endurance. This concept of indefinite enjoyment contrasts with the advice generally given to high school students about snacking on sweets in moderation, as indicated by health diagrams suggesting small portions of sweets and candies.