Fortress (Type III)(Grey 205) ant farm This formicarium is for founding

This formicarium is for founding queens and small colonies and is not recommended for tiny ant species

This adds $20 to the total price of the formicarium while adding on another 4x4" in nest space the colony can use as an expansion

Are they expandable

The Trio Combo of the Mini Hearth

Fortress (Type III)(Grey 205) ant farm This formicarium is for foundingThis product is available for immediate (2 3 business days) shipping. See this fortress link for more information about this formicarium. Features: Grey Exterior White Sand interior Type III material Medium Large species sized chambers (+10) Desert Decor Museum Glass Optional 95% glare reduction (Shown in photo) Removable Vent optional What comes in the box? Fortress formicarium (as seen in photos), nestmate, mini liquid feeder, 2 stoppers, connection