PLEASE NOTE: THIS SET IS A LED LIGHTING KIT ONLY. LEGO SETS ARE NOT INCLUDED. ABOUT Hogwarts Great Hall 75954 LIGHTING KIT This highly detailed Lego model is a spectacle in itself, but when paired with our lighting kit, the charming model comes alive, not only during the day but also at night. Plug-in power, and light up your building blocks with our amazing design! ABOUT INSTALLATIONFollow our step-by-step instruction book to light up your Hogwarts Great Hall 75954, something amazing will happen at night. All our kits are plug_and_play - no electronics knowledge needed! Browse on the User Guide, which can be a great help in latter installing. Test the product to see if it works properly before installation. Prepare 3 AA batteries or brick separator in advance. WHAT'S INCLUDED- The set with customized led wire led light and bricks. AA Battery Pack (AA Batteries are not included). Step-by-step instructions for books. (Just as the LEGO set building way, but easier.) Universal instructions books.