You have to Remix this and click See inside on the top right corner right next to where it says the scripts. Once you are in go to costumes and paint your own costume. To answer the questions go to background in see inside and click the text button. There will be a winner for this when I get a lot of costumes! Enjoy!:) The houses are Gryffindor, Hufflepuff, Slytherin, and Ravenclaw if you didn't know. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~