Creative play with the LEGO® Classic Green Baseplate (11023). Measuring over 9.5 in. (25cm) square, this green toy-building base gives kids a spacious 32x32-stud LEGO landscape on which to build, p ... lay and display. Created for kids 4 years and up with the imagination of LEGO builders with a dazzling array of building possibilities – from parks to forests. This quality base plate has enough grip to hold LEGO building bricks at any angle, even upside down! The LEGO Classic sets put their self-expression and open play while building, creating and imagining, thinking skills to enhance children's creative thinking and problem-solving skills.