Mini Hearth (Grey 314) Fortress 8x10 inches (80 square inches---normal

8x10 inches (80 square inches---normal Labyrinth is 35---for comparison

The higher humidity environment of this nest design (there is not as large of a separation in foraging area and nest area for this formicarium) can cause foods to mold quicker than

THA Proprietary Type III material

2 levels (or 3 for XL Pioneer) with large chambers

Mini Hearth (Grey 314) Fortress 8x10 inches (80 square inches---normalReady for Shipping, this Mini Hearth comes as shown in the photo on this page. Nestmates this Mini Hearth comes with a nestmate ($5 value) (See photo). For more information on this feature, watch this video ). Foraging Area Dcor (as seen in photo) Magnetic Ports for Expansion (Additional Mini Hearths Can be Connected On Each Side) Magnetic Glass Panels (Museum Glass optional) 2 Connection ports on each short side, Nestmate Ports in the back (3 8"