The Everlasting Gobstopper is a fictional candy from Roald Dahl's book, *Charlie and the Chocolate Factory*. It is designed to last indefinitely, allowing the eater to enjoy its changing flavors without ever finishing it. The candy is a product of the eccentric chocolatier, Willy Wonka, who creates it as part of his magical candy inventions. In the story, the Everlasting Gobstopper symbolizes the idea of endless enjoyment and the wonders of imagination. It captures the curiosity of children and adults alike, showcasing the whimsical nature of Wonka's factory and the creativity behind his confections.