This is an original ant-keeping case made by our store. The Hybrid Nest 2 side Large type H glass cover is compact and doesn't take up much space, while also providing a comfortable habitat for ants. You can observe the ants from both sides through the glass. We designed it from scratch to make it easy to observe and keep ants in a本格的に way. The cover in the photo is gray, but the cover that will be shipped is brown. If you prefer gray, please let us know. If you have no preference, the brown cover will be shipped. - Humidity is maintained with cotton and sponges on both sides, keeping it clean. (Cotton is included upon shipment) - There are small holes on both sides of the nest, allowing you to manage the nest's humidity by providing water to the cotton, etc. - Watering for humidity control is very easy, done through the small holes on the top of the nest and using test tubes on both sides, without removing the cover. - The lid uses high-quality glass for clearer observation. - There are connection holes on the left and right sides, allowing you to freely connect nests and feeding areas, and to expand the nest as needed. - It is made sturdy for safe ant-keeping. - The glass lid is secured with screws in 8 places for stability. Suitable for small to large-sized ants found anywhere in Japan (such as Formica japonica and Camponotus japonicus), as well as overseas ants like Green Head Ants, meat ants, and spiny ants. Even ants that cannot climb glass surfaces, such as Green Head Ants, will be fine due to the gentle slope. Easy to observe and keep, making it ideal for children's science projects. Materials: PLA (safe material, harmless to humans), cotton Glass: 2mm Size: Approximately 24cm x Approximately 19cm x Approximately 3.2cm Connection Holes: For 13mm tubes (inner 10mm) When using an adapter: For 8mm tubes (inner 6mm) Tubes for connection are not included. The connection holes on both sides include an adapter that can use 8mm tubes and a screw-type stopper.