These stackable sand and water trays are ideal for early childhood centers and classrooms with limited space. Provide children with the opportunity to play in water and feel the texture of sand (not included). Stackable sand and water trays nest for compact storage. Size 19-11/16" W x 27-9/16" L x 6" H (50 X 70 X 15cm), 4 color set includes one each of red, blue, green and yellow trays.