All Game Terrain Soil Base Layer Soil Base Layer is pre-blended to give dark brown, soil-like realism. It easily adds texture and variation while covering your terrain feature, miniature base or gaming mat. 9.72 in3 (159 cm3). Scenic materials from All Game Terrain. Can be sprinkled by hand or, for a more even coverage, use the All Game Terrain Shakers (available separately) Deluxe Materials Scatter Grip Slow drying tacky adhesive for firmly bonding scatter materials.