Strictly Briks Toy Building Block - Classic Big Briks Baseplate 15' X 10.5' Large Building Brick Baseplate For Ages 36 Months To 1188 Months, Single Green Flat Bottom Base Plate, 1 PcPLAYS NICE WITH OTHER TOYS: Strictly Briks items are compatible with all major brands of large bricks, including LEGO DUPLO and Mega Bloks brand sets. Strictly Briks is not affiliated with or endorsed by these brands. LEGO and DUPLO are trademarks of the LEGO Group of Companies, which does not sponsor, authorize, or endorse Strictly Briks toys.