Choose a clear glass container with an open or partially covered top
Wash and dry the container thoroughly
Add a drainage layer of small pebbles or gravel
Add a thin layer of activated charcoal
Add a barrier layer of moss or mesh if needed
Add potting soil suitable for the plants you want to grow
Plant small terrarium-friendly plants
Arrange the plants with space between them
Add decorative items if desired
Water lightly
Place the terrarium in appropriate indirect light
Monitor moisture and trim plants as needed