it will be by the dinning area in 3 cilinders, to get to it you need the dentist tool that you will need to get from the art room. it will be a box at the bottom right of the entrance, (POV when entering). to get the 3 digit code you will need to look at the art pieces on the left side. the code will be on the top shelf of the art pieces. the code will be on the upper left hand corner of a art piece.