What is was fantasy in James and the Giant Peach book?

In "James and the Giant Peach" by Roald Dahl, fantasy is vividly portrayed through the magical transformation of a giant peach and the anthropomorphic insects that reside within it. The story blends whimsical elements with adventure, as James embarks on a fantastical journey across the ocean in the peach, encountering various challenges and forming friendships with his insect companions. This imaginative setting allows for themes of friendship, courage, and the triumph of the underdog to unfold in a delightful, surreal manner. Ultimately, the fantasy elements serve to inspire creativity and wonder in readers.