In this shell challenge, you must not remove existing walls or add walls on the outside . If you can change the house color if you want, but it is in a Christmas tree color. You can add walls indoors and fence and wallpaper inside you can have what you like,You can add fences around the house if you want that. Do not use cc #annand81 #shellchallenge #christmastree #nocc #myfirstshellchalllenge Hope you like it :)