Nucleus III (Brown 20) Fast formicaria we recommend using the option

we recommend using the option boxes to add nestmates to the Casita II you are ordering

Medium/Large tunnels and chambers -  levels- Do not use for tiny ant species

and magnetically removable vent

so this is a very large formicarium meant for larger colonies or fast growing species)

so please use these if you expect them to be helpful to the safe arrival of your ant colony

Nucleus III (Brown 20) Fast formicaria we recommend using the option***If you are ordering the product on this page you will receive the formicarium shown in the photos along with any options you choose*** For more information on the Nucleus III click here. Includes Nucleus III habitat Stopper nestmates and plugs syringe and adapter tip The Nucleus III is our proprietary Type III material Optional Museum Glass Optional Removable Vent (Lid on a lid, exposes a 1" opening) 3 Water Towers for long term hydration 2