$100 gift card. Stop by and visit our 15 acre yard and 12,000 square foot warehouse, with displays for stamped concrete, pavers, retaining wall systems, flagstone, and wall rock. We have a large inventory of hard to find items in stock including Allan Block retaining wall systems, Calstone pavers, McNear bricks, pavers, 8 different kinds of bulk sands, sacked sands for sandblasting and water filters, basalt Columns, Mexican beach pebbles, concrete building blocks, 6 different kinds of wood mulches, topsoil, compost, and soil amendments for all your gardening needs. We also carry fieldstone cobbles from the streets of San Francisco as well as many different types of lava rock.