diy terrariums by rachaelrice on April 27, 2011 in nature • 0 Comments …terraria?! i made mine by getting some activated charcoal from the pet store, and put a layer of that, a layer of pebbles, a layer of soil, and tromped around the woods for fun mosses and whatnot. i even made a tiny one out of a horseradish jar. from the front with the lid off terrarium interior from above lid on terrarium interior from above terrarium interior tiny terrarium tiny tiny terrarium! nature!