So, not a good fit for closed terrariums at all.
Diy terrarium with figures
Best diy terrarium class
Mini cactus terrarium diy
Typically, cacti and succulents are famed for tolerating a little neglect. Which may initially seem like a good fit for a closed terrarium, but these plants typically enjoy a good amount of water to pass through them followed by a period in which they can dry completely.
So, not a good fit for closed terrariums at all.
Diy terrarium with figures
Best diy terrarium class
Mini cactus terrarium diy