Woodland Scenics Talus Natural Extra Coarse – WS-C1285 The extra coarse natural talus has a particle size that ranges from 3/16″ to 1/2″. The talus can be used wherever you create rock faces, outcropping, and or road cuts. Create rock piles, slides, and/or model blasting areas. Mix grades and colors for realism. Color with Earth Colors Liquid Pigment. 21.6 in3 (353 cm3). Actual coverage depends on usage. This item is intended for modelling use and is not a toy. Actual product may vary slightly from the pictures shown.