Lair (Black 12) Fast formicaria we recommend using the option

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

For large species nest

These ants have majors that are as large as the queen herself

Open-style chambers with spacious caverns and optional decor (see drop down options)

Here are some links to the individual options videos:

Lair (Black 12) Fast formicaria we recommend using the optionThe Lair formicarium is specifically designed for Myrmecocystus spp., a horizontal formicarium where repletes have areas to hang from while being forced closer to the glass surfaces. Any ant species is recommended for the formicarium in addition, which has two water towers . Features: 4x4" nest space Small Medium Ant Species Tunnels and Chambers 2 water towers (15 ml capacity) 1 3 8 expansion port for connecting to other habitats foraging areas