A 1:12 or One Inch Scale Conservatory Window Scene Miniature Room Box Flat Packed kit.
Made from 2mm MDF and supplied with full instructions to build. The pictures show an assembled and painted box with extra brickwork added to give you an idea of what you can do with it.
Also available as a finished item, message me for more info.
The assembled box measures approximately 180mm wide x 260mm tall x 80mm at the base. The roof is 55mm front to back.