Terrarium containers are typically transparent and provide an opening big enough to allow the gardener to access the plants inside the best part about a diy terrarium is that you get to create something one of a kind weve got you covered with everything you need to know about how to make a terrarium from definition and inspiration to . 12 tips for making a diy terrarium plastic vs glass diy terrarium when choosing what kind of container you want to grow your plants in plastic and glass be creative with containers the options are endless if you want to buy a diy terrarium but they can be costly and for sand and charcoal . How to make a terrarium step by step choose your terrarium plants the first thing you need to learn how to make a terrarium is the type of plants youll use choose your container the next step on how to make a terrarium is to choose the container that will be suitable for build your layers . To make a terrarium you will need glass globe to house the terrarium this can be purchased new or a repurposed glass jar or bowl that has a pleasing volume sand activated charcoal well draining potting soil cactus succulent soil can be a good choice here various mosses small sticks or bark minerals shells or stones