Materials full of durability Applicable to N scale model. This model needs to be assembled by yourself. The finished product is a facades structure model Suitable for the production of sand table model building scenes, model making enthusiasts, scene making and manual diys enthusiasts Perfect for Toy Railway & Building Layout! enhances the appearance of your model landscape It is designed that way, not really brokens,building after war or you can diys the scenes. You need to assemble yourself! And it's gona be fun! This product can be assembled in minutes without using glues or scissors