How to Build a Crate Shelving Unit: All the supplies you will need - 2 crates, 2 furring strips, and Rust-Oleum Ultimate Wood Stain (to see the available stain colors click here: http://www.rustoleum.com/product-catalog/consumer-brands/wood-care/ultimate-wood-stain/ ) Follow the how to directions on homedepot.com and you have yourself a decoraive shelving unit for any room!