The Aerie (203)(3 Inch Nest) Fortress Only a modest amount is

Only a modest amount is necessary when applying each layer

Grey Exterior

Red Exterior/White Sand interior

This is different than the smooth "ladders" in our other formicaria where these ants spend time "learning" to climb

Small/Medium tunnels and chambers

The Aerie (203)(3 Inch Nest) Fortress Only a modest amount isFor more information on this product check out the main page here Features of this formicarioum: 9x5x5 Foraging Area Dimensions 3" Diameter Nest Area with glass cover Medium Large Species (3 8" port entry to nest area) Decor(Vermiculte Interior)(+15) Optional Removable Vent Optional Addition of Pogonomyrmex occidentalis colony (US residents ONLY) PLEASE READ THE AERIE PRODUCT PAGE ABOUT HEATING THIS FORMICARIUM IN A SPACE HEAT PADS AND CABLES ARE NOT