This standard roof pack has 4 of each straight and hip roof, enough for two separate buildings, or one large one. Both roofs are magnetic, and have biscuit and half pole accessory holes to help them attach. Straight roof additionally has half pole accessory holes on top for use with scaffolding or ridges. Pairs perfectly with Core Floors and Core Walls & Posts packs. This unpainted set is identical to Modular Roof Core - Standard Roof - Green (Unpainted).