Terrariums are easy to make and you can make them in almost any size.
How to build sliding doors for terrarium.
How to build an aquarium glass with extremely strong bottom 120g reef tank setup e1 duration.
Start with a clear clean glass container.
As with moisture and temperature control systems a vivarium novice should consult with experts and buy a lighting system from a vivarium supply retailer.
It will be easier to add the plants if you choose one with an opening large enough to let you reach inside but you can make a simple tool to use for small openings.