XL Labyrinth (Black 112) Fortress the Atrium is larger (in

the Atrium is larger (in terms of available nest space) than the Casita and would be in between the Casita and Nucleus III in terms of nest space

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Modular and two Standard Size Mini Hearth

Atom C Design (Circular Chamber

Only a few tiny and small species can adapt to large

XL Labyrinth (Black 112) Fortress the Atrium is larger (in*This product is ready to ship. Ordering this product you will receive the exact formicarium in the photo.* ***Canyon Foraging Area (+10)*** See the Labyrinth formicarium original product page here. The XL Labyrinth is a much larger version (80 square inches of space versus 35) of the Labyrinth formicarium. Dual Foraging Areas will allow for more controlled feeding experiences and opportunities to disconnect and clean foraging areas without losing the