The color changing lights, moving fish, and gentle hum of the pump make this bubble tube the ideal sensory product that creates the perfect calm and serene atmosphere. Use this water bubble tube to enhance the décor of your living room, bedroom, playroom or even your office or waiting room. A floor lamp, fish tank, and column water fountain all in one makes it a great way to upgrade any room. To set up the bubble tube, simply fill the column with water, insert the pretend fish and plug in. Use switch on the base to turn on and off. LED lights are bright and energy efficient, making them cost effective to run.