Labyrinth (3111 Light Blue) 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

Light Darkstone Interior (+5)

Museum Glass - The museum glass would cover all three sides and the Alate Window (top panel) as well

Museum Glass Optional

NEW FEATURE: Replacing our normal sand-coated interior

Labyrinth (3111 Light Blue) 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: Dimensions 5x7" Nest (125mm x 175mm) and 8x4x4" Foraging Area (200mm x 100mm x 100mm) Decor Per Photos Medium Large Species size tunnels and chambers Water Towers 2 XL (15ml) Water Towers Removable Vent (Optional) Museum Glass (Optional)