Labyrinth (Black 2) custom formicaria the ventilation is helpful as

the ventilation is helpful as the colony approaches capacity in their formicarium

Small/Medium species sized chambers

This design for your ant colonies features a 4x4x4" foraging area magnetically attached to the back of a 4x4x2 inch nest

These formicaria are intended for medium and large size species

Water Canyon Foraging Area (+15)

Labyrinth (Black 2) custom formicaria the ventilation is helpful as*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) Medium Large Species size tunnels and chambers Water Towers 2 XL (15ml) Water Towers Removable Vent (Optional) Museum Glass (Optional) Black colored Side Panel Great Tree Woodland Decor (+10)