Second Use has salvaged 44 pallets of glass blocks from the Chief Sealth High School gym. They’re going for $1 each (new, they go for about $5 each) or $100 for a pallet of 150 blocks, marked down. The blocks are about 7 5/8 inches by 7 5/8 inches, with a thickness of 3 7/8 inches. People use glass blocks for a variety of purposes, both decorative and functional. Some examples include windows, walls, shower partitions or flooring. Check out the glass blocks on our online inventory.