Green Box hydroponicsEasy Veggie Growing at Home! Green Box is a modern hydroponic kit that grows vegetables using water instead of soil. It can be used indoors and comes with a built in pump that provides the oxygen plants need, promoting their growth. Even beginners can easily grow vegetables. It's a great new hobby for people of all ages and genders. The following items are included: 1. Pump 2. Tray 3. Flowerpot 4. Water level 5. Sponge 6. Nutrients A ,B 7. Sringe 8.