Like shipping pallets, wooden cable spools are another item that is usually found for free on Craigslist. Since cable spools are limited by their shape there are fewer repurposing options, but they make a great coffee table bookcase.
DIY Outdoor Solar Light Display : 2 fence posts + 4 solar outdoor lights + 8 extra long screws + an long scrap of treated x wood. great idea for the deck or patio! Would probably use nicer solar lights!