heres the process .1. get a piece of cardboard,draw the shap of building on (all the walls) .2. next cut out, also get some printing paper,cut into thin strips glue strips onto side of building.3.then get some watercolors and paint to your delight!
add signs,moss or what ever you want,sorry dont have a photo of finished product,sorry will get one later,because i gave it to a friend as a gift:thumb: oh i forgot to enclude,the windows are made robins way 

