Dive Into the World's First Interactive Aquarium! Look through the built-in underwater viewing scope and experience an up-close view of live fish swimming in a wondrous undersea environment.It's as if you're inside the aquarium! Great for Goldfish, Guppies, and Bettas Ages 6 and up Features: • Built-in underwater viewing scope can be moved up and down and rotates for a face to fish view • Underwater feeding dispenser attracts fish for a close-up view • Lens is stationed in an underwater submersible • Watch bubbles rise from the underwater volcano with optional air pump • 3-D undersea environment • Vented, snap on ocean surface lid • Built-in undergravel filter plate • Compact size (1.5 gallons) Note: Air pump and gravel are recommended but not included.