It's the aquarium that cleans itself! With the My Fun FishTM cleaning tank, cleaning an aquarium has never been so easy. Just pour clean water in, and watch as dirty water pours out through the disposal tube. A great gift for first-time pet owners, this self-cleaning fish tank is the perfect low-maintenance home for any finned friend. Switch on the included LED light to beautifully illuminate your pet's home. 4 3/4" long x 6" wide x 10" high. Comes with aquarium rocks and aquatic plant. LED light requires 2 CR2025 batteries (Included).