Basing Kit : Urban Rubble - Take your army to the next level with the Gale Force Nine Basing System! Each Basing Kits contains four (4) GF9 hobby rounds stuffed with flocks, grits or static grasses and a handy reference card with instructions on how-to produce these stunning base effects! Urban Rubble Basing Kit Only the most courageous troops dare navigate the twisted ruins of metropolitan devastation created with the Urban Rubble Basing Kit. This kit contains Fine Grit, Medium Grit, Rocky Grit and Concrete Rubble Mix which combine to create a crumbling cityscape to base your models. - GF9 Gale Force Nine