Uncle Milton - The Little Mermaid Wild Walls - Light and Sound Room Decor Create a Little Mermaid light and sound experience like you've never seen, with peel n stick decals and FX activator Includes Flounder & Sebastian Just decorate, activate and watch the amazing scene come to life Features auto shut-off Water wave light effects gently fade in and out, illuminating your wall, just like your underwater Ariel decal is over 22 Inch high and the light effect spreads over 20 sq. feet FX Activator mounts easily to the wall with included hardware Includes 1 Wall decal sheet, 1 FX Activator, 1 Set of mounting hardware and instructions