What a great accessory to any Playmags set. Now kids can enlarge the project size by adding on this great board. This add on board offers additional hours and hours of fun - children can build various projects and let their imagination go wild with ideas... Start any playmags structure with the right foundationUse to build higher structuresDimensions: 12 inches x 12 inchesGreat add on item for any magnetic tile setColors may vary comes in red or blue