Terrarium is a garden in a glass.
It's like a small scale ecosystem that you can plant in your home.
There are 2 types of terrarium which is Closed and Open.
There's few places you can get Terrarium in KL.
What makes a Terrarium beautiful is the glass/jars/containers that you used and the arrangements of the succulent plant.
Add in few decorations like human miniature or animal miniature to make it more lively.
It's quite expensive to buy but you can diy.
You may refer below for guidance :-
Above Terrarium is from @tinyforestsj