Measures 15". Attaches firmly to either top or bottom of the plate. Start building castles and skyscrapers depending on your creativity. LEGO pieces snap easily onto the textured surface of this flexible plastic board. Light gray platform
This light gray 15-by-15-inch LEGO base plate makes a great foundation for all kinds of fascinating LEGO creations. LEGO pieces snap easily onto the textured surface of this flexible plastic board, which is large and sturdy enough to support even your more elaborate scenes: space stations, launch sites, castles, forts, and cities--whatever you can imagine. The base plate holds your LEGO creations together and makes them easy to move around and display. (LEGO pieces are sold separately.) --Elisabeth Fredrickson