Labyrinth (Bone 41) formicaria the Atrium is larger (available

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

Khaki Interior

Up to 4 nests can be connected to the same 4x8x4(standard for the Phalanx) foraging area

Grassland decor

two glass panels with magnets

Labyrinth (Bone 41) formicaria the Atrium is larger (available*This product is ready to ship. Ordering this product you will receive the exact formicarium in the photo.* See the Labyrinth formicarium original product page here. Features: Bone color side panels Dimensions 5x7" Nest (125mm x 175mm) and 8x4x4" Foraging Area (200mm x 100mm x 100mm) Medium Large Species size tunnels and chambers Water Towers 2 XL (15ml) Water Towers Removable Vent (Optional) Museum Glass (Optional) Grassland Decor