WonderFoam® Carpet Tiles Expansion Pack are brightly colored and soft-textured carpet squares that provide more flexibility than traditional classroom carpets. These carpeted foam tiles can be intermingled to fill a large area, or used as individual seats for children. They are even durable enough for outdoor use! Piece them together in a maze pattern to get children up and moving while learning. Details:One each of red, blue, yellow and greenCarpet tiles are 12" x 12" squares Set of 4 expansion tiles (full set sold separately) Allows young children to play in a safe environment Easy to clean Soft texturedFoamEasy to clean and vacuum-friendly