Description Universal - Use our compatible brick bases to create the ultimate activity table Each brick base works perfectly with other designer bricks you know and love. Large Surface - These blocks have a base of 10 x 10 inches, giving kids plenty of room to get creative. The board is big enough to display a few numbers, but small enough to be portable. Stackable- Unlike other building block bases, the base included in this pack has a convenient underside that allows you to attach your building toy from below and create multiple levels. Premium Quality - Our block mats can handle any DIY project you make with blocks. Each compatible baseplate features thick, durable edges that connect and fit together seamlessly. Just cut to size and build Package - 2 Brick Small Particle Building Block Baseboards.