RULES: No changing the walls of this 4x11 box. It can only be turned into a travel trailer or singlewide trailer house. All of the living quarters (livingroom, bedroom, bathroom, kitchen )must be inside this box. Extra rooms for essential living cannot be added. You can build walls inside. Patios and decks are allowed. Make it cute or hideous. Thats up to you! Have fun! #lilsimsie #jamesturner.yt #AvelineYT #shellchallenge