100 Pcs Marimo Moss Ball Cladophora Live Aquarium Plant Fish Tank aquatic plants Sizes of the Japan Baby Marimo Balls (around 5 to 8 mm ) approximate 1-3 Years Old The Japanese believe that Marimo Ball will Bring Good Luck !/ Excellent live plant as to signify everlasting love.... They just like to be petted and loved once in a while, grow Marimo in a glass bottle, and is a very popular Cute Aquatic plant in Japan. Its easy to take care. Just give some water (can be tap water), ceiling light and love! **Marimo CANNOT be exposed to directly sunlight**