"Spacebuckets" are the continutally improving concept derviced by an online community which can be found on reddit. There you can learn more about this niche indoor growing design option, ask questions, and share your results. On Lobhob we have found the Blackout SpaceBucket option to be particuralry reasonable for new DIY indoor growers looking for a very budget effecient option.
The goal is to grow plants in small containers with artificial lighting, with the vessel primarily being some form of a plastic bucket.
Here is the classic Blackout SpaceBucket:
You can view the full step by step album here.
Credits go to /u/mcscroggins.