The Walthers 933-3835 N Scale Hole-In-One Donut Shop is an unassembled kit designed for hobbyists and model railroad enthusiasts. Made of plastic and in a 1:160 scale, this commercial building model is suitable for ages 17 years and up. The kit includes all the necessary parts to construct a detailed replica of a donut shop, perfect for adding realism and charm to a model railroad layout.