What does Mr wonka urgue the Indian prince pondicherry to do with his choclate palace?

In Roald Dahl's "Charlie and the Chocolate Factory," Mr. Willy Wonka urges the Indian prince Pondicherry to build his chocolate palace using edible materials, emphasizing the whimsical and fantastical nature of his creations. Wonka's intention is to showcase the joy and imagination that chocolate can bring, encouraging the prince to embrace the magic of his chocolate world. Ultimately, this serves to highlight Wonka's belief in the playful and ephemeral qualities of his confections.