The battery-powered 2.75-inch light-up Toysmith Flashing Orbit Ball with intertwined translucent color bands is built with high-quality materials for lasting durability and active play. Vivid colors and flashing lights combined with rounded and twisting shapes, makes this a favorite sensory stimulation tool to help relieve stress and anxiety. Bright lights illuminate translucent colored bands and last for 10 to 15 seconds.