Kids can explore the Chamber of Secrets and uncover hidden mysteries with the Lego Harry Potter Hogwarts Castle: East Wing 76473 building toy for boys and girls ages 10 years old and up. This detailed building playset features the library's Restricted Section, a bathroom with a secret slide to the Chamber of Secrets and more hidden scenes for fans to discover as they build. The Chamber and Slytherin common room can be removed for easy play, and the magic comes to life with 13 minifigures including Harry Potter, Hermione Granger, Ron Weasley, Argus Filch, The Bloody Baron and more, plus figures of a Basilisk, Mrs. Norris and Fawkes. Hidden details including Tom Riddle's diary, the Sword of Gryffindor and 4 of 14 collectible Hogwarts portraits can be discovered throughout the build, as well as a Doe Patronus figure one in a series of 25th anniversary collectible Patronuses, each in sets sold separately . The set also includes a viaduct and bridge that allows it to connect to other Lego Hogwarts Castle modular sets each sold separately to create the most detailed Lego brick-built Hogwarts Castle scene to date. Makes a great birthday gift or any-time treat for boys, girls and fans ages 10 years old and up who love Harry Potter and Lego building toys. Contains 2,164 pieces.