It’s such a good idea for gift or for your own keepsake as novelties. Btw..What is marimo? You may read further on my previous post.. My Cute Green Pets Marimo (Moss Ball) What you need: 1. Marimo (moss ball), preferred nano marimo (tiny size of marimo) about 5-10mm 2. Tiny bottle, about 20mm diameter with the lid, so you may …