CONVENIENT DRAINS: This sensory table features two red basins with ample room for sensory activities. Each basin includes a center plug for easy drainage after sensory activities have concluded. Items can be stored on the shelf beneath or inside basins; 2 lids included.MOBILE: This water table features oversized, swiveling, industrial-grade wheels designed for an increased weight capacity. The wheels’ rubberized tread makes it easy to roll this shelf over doorways and on the carpet. Kinetic sand table has 2 locking casters.PREMIUM BIRCH-PLY: This sand table is durably constructed using our unique, contemporary, cream-colored, premium, birch-ply. Our water tables for toddlers 3-5 feature rounded corners for safety and a kid-tough, UV finish. Birch-Ply wood provides a smooth finish making it the safe choice against splinters.