The As Seen On TV My fun Fish Tank uses gravity cleaning technology to clean itself. It makes A perfect, low-maintenance introduction to pet care for children. When you pour clean water on top of the aquarium, dirty water on the bottom pushes out through the cleaning spout. The My fun fish cleaning tank utilizes A half-gallon, freshwater aquarium and turns any room into an underwater world of discovery. During the cleaning process, the tank is replenished with fresh, oxygenated water without disturbing the fish.

features: My fun fish is the aquarium that cleans itself.Turns water fresh, oxygenated & clean. Just add clean water.Watch your fun tank light up.Includes: My fun Fish Tank, 1 white LED light, riverbed stones, 1 aquatic plant.The LED light already contains two Lithium (CR 2025, 3V) batteries.Product size: 4.5" X 4.5" X 10"