Learn how to build your own custom terrarium and bring some life to your home, dorm, or office!Step 1: Pick your plants. You can purchase succulents at any store that sells plants! Step 2: Find your base. You can use an open glass terrarium or even a fish bowl if you want to get creative. Step 3: Add sand. About one inch is enough. Step 4: Place your plants. Make sure they are nested in the sand. Step 5: Add stones. Place them around however you’d like so that the succulent is stable. Step 6: Take care! Succulents need sunlight and only a little bit of moisture. Every few weeks, add water from a dropper to the succulents. Step 7: Enjoy your terrarium!