This question has options. How would someone go about accomplishing this goal?
How do you make a Self-Watering Terrarium?

Select from: (a). You can make a Self-Watering Terrarium out of a plastic tennis ball container. Don't throw away the top, and remove any stickers so sunlight can get in through the sides.; (b). You can make a Self-Watering Terrarium out of a plastic tennis ball container. Don't throw away the top, and cover it with stickers so that no sunlight can get through the sides.;
(a).