This color-changing discovery cube features a raised outer rim to contain sand, water or other activities. Constructed of plastic, the table is lightweight, sturdy and water resistant so it can be used indoors or out. There are 16 different color settings and 4 automated color transition settings. Includes a universal power adapter with low voltage mains power supply and remote. An 8-hour charge cycle will provide 5-10 hours of light depending on the settings used. Size 16" cube. Depth of discovery area 7.8"H