The Column - Straight Glass Jar Closed Terrarium - MediumThe Column, our 8 litre closed glass jar terrarium kit is perfect for creating your own medium sized closed terrarium and the size is perfectly suited to any spot in the home. The wide neck enables easy access and the straight sides give a clean look to the terrarium. Available with living moss and plants to give a real lush forest feel. Our closed terrarium kits contain all the tools, soil, gravel, stones and charcoal you need. Suitable plants are