In partnership with the building block company, Belkin has rolled out its LEGO Builder Case for iPhone 5 ($40). The rubber frame, which includes button protection and an open bottom edge, isn't too unusual. Rather, it's the plate of studs on the back, compatible with LEGO bricks, allowing users to create their own designs and creations. No pieces are included though, so you'll have to rummage through an existing collection, or invest in a few tiles…