Lay The Foundations For Open-Ended Creative Play With The Lego Classic Gray Baseplate (11024). Measuring Over 14.5 In. (38Cm) Square, This High-Quality Building Toy Gives Kids A Spacious 48X48-Stud Lego Landscape On Which To Build, Play, And Display. Inspire Lego Builders With An Endless Array Of Building Possibilities – From Street Scenes To Castles And Mountain Landscapes.