Due to the lack of electricity and direct sunlight, I decided to use a solar panel paired with a light sensor on the outside of my locker to power a strong, blue LED light, which is best for photosynthesis and plant growth. A friend taught me how to solder and helped me create the solar panel setup, which turns on the blue light only when it is dark outside so the plants experience the proper light cycles. I also set up a system to slowly water the plants automatically. This involved a series of drip bottles—which another friend had for his old, now deceased, pet guinea pig—arranged to drip into each other and then onto the soil.
Our prices start from zero dollars. If you do not need the paper certificate, ISBN, or printing and submission of your entire work to libraries - it is completely free for you. As it was already mentioned you do not need to pay for the inclusion of description of your work to major libraries. Just mark the box " I want to send a short description about my work to libraries of Canada and USA " on the " Add Your Work " page and we'll include a short description of your work into our monthly brochure. Free for you.