Fine Dark Grey Ballast for Model Railway Scenery and Dioramas Add realistic details to your railway embankment with these high-quality materials Quick and easy to apply Part of our extensive range of railway ballast materials Ideal for all model railway gauges, or for any model layout or diorama The Fine Dark Grey Ballast is from the large selection of railway modelling materials by War World Scenics, it’s ideal for creating railway embankments or adding other realistic details to your model layout or diorama. For best results, use with our Track Ballast Glue. Simply brush the glue onto desired area and apply the modelling material. The ballast can then be painted if required, so to further incorporate it into your current layout.