Atrium (Black 4151)(MQ Box) ready to ship formicarium 1/2" port connection in the

1/2" port connection in the foraging area for expansions

Medium/Large Tunnels and Chambers

Nestmates - this Mini Hearth comes with a nestmate ($5 value) (See photo)

Single Chamber w/ Stalactite and Vermiculite Interior

Atrium (Black 4151)(MQ Box) ready to ship formicarium 1/2" port connection in theSee More Information About the Atrium at this link. ***MQ Box Museum Quality Acrylic Box Scratch resistant, higher clarity, and magnetically removable lid (+65)*** General Information: *****Due to the size of the open chambers, this formicarium is considered a small to medium sized formicarium and can hold an estimated 1,000 to 2,000 medium sized ants, larger species such as Camponotus, Formica and Myrmecocystus up to 1,000 (again, approximately).