This Desk Top Water Tray and Stand promotes sensory and interactive play. Sand and water play fosters an understanding of STEM concepts including weight, buoyancy and water displacement. Sand and water play also develops fine and gross motor skills. Kids scoop, build and pour as they play, which also improves hand-eye coordination. Play anywhere. The powder-coated, tubular steel frame folds for easy travel and storage. The tray is injection molded, which means the plastic which comprises it is uniformly thick and will easily withstand water or sand without bending. Use the mesh shelf for extra storage for toys or activities. Size of tray: 27.6" L x 19.7" W x 5.9" D. Size of stand: 27.6" L x 18.9" W x 22.8" H. Toys are not included