These hypertufa kokedama balls have moss and other bryophytes and ferns attached using natural resins and a glue mixture that is non-toxic to plants. How to care for your kokedama: Simply place the moss ball in a dish with a little water and voila! you have stunning and original table art, bathroom decoration, or living art for your desk. The hyper-tufa socks up enough water for the moss and ferns. These plants are full-shade moss and ferns which will thrive indoors.