The document is a reading comprehension worksheet about a story involving a girl named Mia who finds a magic box. The magic box doubles everything put inside it. The worksheet contains 5 questions to test the reader's understanding of details from the story, like Mia's name, what she found, what kind of box it was, why it was magic, and whether the reader thinks the magic box could be real. The reader is then prompted to check their work on an educational website.