The Tetra LED Cube Kit provides a beautiful view of your underwater aquarium. The 3-gallon clear plastic tank fits almost anywhere. This complete kit is equipped with a Tetra Whisper air-powered filter and small Bio-Bag cartridges to keep your tank clean and provide a perfect environment for your fish. The kit also features low-voltage bright-white LED lighting to ensure a bright aquarium and enhance safety as well as a clear lid with a convenient feeding hole.Small aquariums are a great way to get started in the freshwater fishkeeping hobby and with any new hobby involving living creatures it is always best to learn as much as you can. When buying fish ask your retailer for guidance in choosing the right fish for your size aquarium.