If you go to Canadian Tire, they have "4-Cube Wire Shelf" which is the same thing.
http://www.canadiantire.ca/AST/browse/3/... They will also have the Zipties that are needed. You will have to buy two or more boxes of the Storage Cubes, unless you are making a small cage. Just buy at least two box's - which is MUCH cheaper than a cage anyways! - And some Zipties, and start building!
