Join CBeebies and YouTube star Maddie Moate for a dose of festive cheer as she talks about her brand new book  A Very Curious Christmas. Have you ever wondered... Why crackers go bang? How fairy lights work? What's the point of pinecones? And can reindeer communicate? Maddie is here to answer all these questions and more in an interactive talk packed with demos and wacky Christmas facts. All topped off with a chance to ask her your own curious questions about wintery science and Christmas traditions around the world!