Each unit is made from high quality birch plywood which is treated with a protective waterproof coating and is supplied with a wooden lid which can also be used as a work surface.Height 29cm - suitable for children 1 year +Low height makes this accessible for young children and babiesDurable clear plastic tub with screw-on bung for emptying waterWheels for easy transportationIncludes lid to cover and provide additional play spaceWheels at one end of units for easy mobilityAll sand and water products are suitable for outdoors however when not in use products should be stored indoorsW1100 x D620 x H290mm