Babylon Terrariums on Instagram: "Full terrarium build… Finally made a home for the miniature stone portal thing or whatever you want to call it! This is a bioactive terrarium meaning when the lid is closed it forms its own ecosystem. The water evaporates which waters the plants. The tiny bugs inside (springtails) eat the decaying plant matter and fertilise the plants by doing so. This creates a self sustaining environment in the comfort of your own home. The plants are; Birds nest fern Fittonia