some of them are good and even nature and human-friendly. i'm not sure if you can "replant" their nests elsewhere by getting whatever they drop, but i have not tested it yet. after your order is shipped out from our warehouse, we will send you a mail with the shipping details. you may find it necessary to replace it sooner than the 3-month mark during these times, so have a replacement ready just in case. it’s called “heat shocking” and it’s pretty simple and quick to do. 