H Potter has assembled a complete kit for planting your new terrarium. You receive the following items each individually packed in a burlap bag. Attractive enough to send as a gif * Pea gravel, activated charcoal, sphagnum moss, and soil, along with complete planting instructions. * No need to search out all the things you need to create your very own terrarium garden. * H Potter Medium Terrarium Kit is the right amount of material for those Medium size terrariums. Have a larger terrarium we also have a Small size and a Large size available. * If you are purchasing a H Potter terrarium see the list below in product description to select the correct size kit.