This macroscopic ant nest series is a unique all-in-one formicarium. Each ant nest is hand-made and hand-colored. Our nest makers have meticulously thought out every detail, so that this series has the same level of detail as other high-end handmade ant nests Micro Series Features: Meticulously handmade and colored Tight fitting lid and circular rim for enhanced anti-escape barriers Realistic Nest Structure Stronger, anti microbial gypsum material 60mm diameter cover, easy to operate with fingers or tweezers Information from tarheelants.com This product is from Canada Ant Colony. The full catalogue, including all variants, can be found at https://canada-ant-colony.com Nest Capacity These are estimates as to the full number of ants that can be placed in the nest. The stated values are the BARE MINIMUM. It is recommended to add more workers than the minimum, ideally at least double or triple the quantity. Small Ants 15 - 500 workers Medium Ants 10 - 200 workers Large Ants 5 - 100 workers