Seasonal Sensations Bubble Column Fountain 7-Color bright Light Changing LED Lamp, Bubbling Water Aqua Tower, 7 by 4-Inch XXL 7 ft. Bubble Column 4 inches diameter RGB LED column rotates 7 colors or can remain on one color Therapeutic and relaxing Great for Sensory Special Needs Rooms and Schools for Autism Makes a soothing Night Light, Weddings display, and Party display