Ravensburger Harry Potter Knight Bus 216 Pieces 3D Puzzle | If you’re a witch or wizard in need of a ride, the Knight Bus will squeeze you in! Just as it came to Harry’s aid when he left the Dursleys’ after blowing up Aunt Marge, it’s ready to corral your pens or store your small stuff. Each of the 216 high-quality plastic pieces are shaped to fit together perfectly to create a realistic model of the triple-decker bus as imagined by J.K. Rowling in Harry Potter and the Prisoner of Azkaban.