These are not surplus items. These mycelium bottles have been temperature-controlled and aged for two months. They are ideal for *Regius*, *Tarandus*, *Odontolabis siva*, and rainbow stag beetles. Recently, I set up 12 egg-laying sets for *Phalacrognathus muelleri* rainbow stag beetles. Unlike simply left-over mycelium bottles, these are specifically for egg-laying sets. Kawara Mycelium Bottles 1100, set of 4 I have been successfully hatching nearly 100 *Tarandus* beetles annually. Kawara Mycelium Bottles 1100 are ideal for raising *Regius*, *Tarandus*, and *Odontolabis siva*. I can provide guidance on usage and breeding methods. Type of supplies: Larval rearing supplies, mycelium bottles Type of supplies: Larval rearing supplies, mycelium bottles