PLEASE NOTE: THIS SET IS A LED LIGHTING KIT ONLY. LEGO SETS ARE NOT INCLUDED. About Jazz Quartet 21334 Light Kit This lighting kit is designed especially for the LEGO Jazz Quartet 21334. This highly detailed Lego model is a spectacle in itself, but when paired with our lighting kit, the charming model comes alive during the day and at night. Plug-in power, and light up your building blocks with our amazing design! ABOUT INSTALLATION Follow our step-by-step instruction book to light up your Jazz Quartet 21334, 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.) USB cable