So you want to grow your own vegetables at home? The U-ING Green Farm Tri-Tower Hydroponic Grow Box has you covered. It is a vertical hydroponic grow box with 3 sections to cultivate different types of vegetables. You can use it to grow lettuce, tomatoes, berries, and more. The unit has a timer that lets you turn the lighting off automatically. The water level indicator tells you when you need to add more water.
The unit is not cheap, but it does let you grow your own food. More information is available here.