AquaSprouts Garden, Self-Sustaining Desktop Aquarium Aquaponics Ecosystem, 10 gallons How cool is thisAquaSprouts Garden ($160)!? It's a self-sustaining desktop aquarium ecosystem. You can plant a garden on top and have a fully functioning aquarium on the bottom. The fish waste feeds the garden and the garden keeps the fish's home clean. Image Source: amazon.com AquaSprouts Garden $160 from amazon.com Buy Now