Create unbelievable scenery and settings for all of your models using this medium ballast in grey woodland scenics ballast is great for creating tracks and gravel roads to hold your train tracks foliage and models securely in place the finely ground ballast is perfect for any scale and is great to mix and match with other grains for the ultimate realistic effect this pack contains approximately 18 cubic inches of ballast and can be easily adhered to any base or model with scenic glue it is r