【Ant Plaster Breeding Case】 Why not try raising ants as a hobby, not just for children's science projects? Recommended for first-time ant keepers and for expanding your setup! Features: Plaster maintains the crucial humidity for ant breeding. Made of polystyrene, which is highly transparent, making it perfect for observation! By connecting nests, it can accommodate large colonies! Comes with a hole for easy humidification. Size: Plaster box (feeding area) size External dimensions (mm): 90 x 70 x 23.5H Internal dimensions (mm): 85 x 65 x 19H Outer diameter of tube hole: 8mm Inner diameter of tube hole: 6mm Tube length: Approximately 5cm for connection Approximately 2cm for when not using the feeding area (with stopper) If you don't need a water supply hole, If you need additional connection holes, or If you want an original layout, etc. Feel free to comment. 【Bulk Purchase Discount】 2 items: -100 yen 3 items: -200 yen 4 items: -300 yen Each item is made carefully, but as they are handmade, there may be burrs, scratches, or dents. Please refrain from purchasing if you are concerned. Due to the tight budget for materials, tools, and shipping, we cannot offer further discounts. Thank you for your understanding. If you are a repeat customer, please leave a comment, and we will include a small bonus. Don't expect too much, lol. We hope that as many people as possible will enjoy raising ants.