Mini Hearth XL (Grey 3604) Fortress this option includes two additional

this option includes two additional nestmates and a stopper for switching them out quickly

Tiny/Small species sized chambers (+10)

The Phalanx is a formicarium from Tar Heel Ants for small to medium sized ant colonies

two glass panels with magnets

Removable glass - Museum Glass optional

Mini Hearth XL (Grey 3604) Fortress this option includes two additionalReady for Immediate Shipping, this Mini Hearth XL comes as shown in the photo on this page. ***Modular Design (for more information click this (link)*** Nestmates this Mini Hearth XL comes with two nestmates ($10 value) (See photo). For more information on this feature, watch this video XL 30% larger formicarium than standard Mini Hearth Foraging Area Dcor (as seen in photo) Museum Glass optional ($8) Included with this purchase is a syringe for