LEGO® Base Extra Large Building Plate 15" x 15" Platform - Gray | 628
Build your own house on the LEGO Extra Large Grey Building Baseplate!    It's the big, basic piece you need to build just about anything.    15-inch square base with 48 x 48 studs for maximum building fun!There's no better place to start building!  This grey baseplate is 15-inches square, so it's a great place to build homes, castles, skyscrapers, or what ever your imagination comes up with.