Popsugar Living Diy Easy DIY Lightbulb Terrarium The Simplest DIY Terrarium Ever May 28, 2015 by Maggie Winterfeldt View On One Page Photo 2 of 3 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Cultivate It Add the gravel, moss, and air plant to your glass, and style it up! The flat bottom of the lightbulb jar provides a great base for a freestanding terrarium. Previous Next Start Slideshow DIYPlants