The castle in Arianna's room is the opposite side of the castle in Madeline's room. I used tracing paper and sketched Maddie's castle, flipped the paper and then added the sketch to the wall in Ari's room. I then made up what the rest of the castle should look like. First steps is to sketch, paint outlines, then fill in with color. I've also painted a moon in one of the windows. /howl