Hearth (Bone)(Free Museum Glass) custom formicaria we recommend using the option

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

The next issue is ventilation

-Type III material

Museum Glass  Optional

We found Camponotus chromaiodes queens raised in these setups had larger worker counts at the end of year one than in those we studied in test tube setups

Hearth (Bone)(Free Museum Glass) custom formicaria we recommend using the optionClick on this link to see more about this product. *****Museum Glass Included!****** Features: 2 Sides Bone Exterior Woodland Grassland Decor nest is 3" x 8" (75mm x 200mm) Museum Glass Included! 2 large water towers Stalctite decor on interior Type III material