【Ant Plaster Breeding Case】 Why not try raising ants for your child's free study project, or as a hobby for adults? Recommended for first-time ant keepers and for expanding existing colonies! Features The plaster maintains the humidity crucial for ant breeding. Made of polystyrene with high transparency, perfect for observation! By connecting nests, it can accommodate large colonies! Comes with holes for easy humidification. Size Plaster box (feeding area) dimensions Outer dimensions (mm): 90×70×23.5H Inner dimensions (mm): 85×65×19H Outer diameter of tube hole: 8mm Inner diameter of tube hole: 6mm Tube length: Approx. 5cm for connection Approx. 2cm for when feeding area is not in use (with stopper) If you don't need a watering hole, if you need additional connection holes, or if you want to create an original layout, please feel free to comment. 【Bulk Purchase Discount】 2 items: -100 yen 3 items: -200 yen 4 items: -300 yen Each item is carefully made by hand, but as they are handmade, there may be some imperfections such as burrs, scratches, or dents. Please refrain from purchasing if you are concerned about these. Due to tight margins on material costs, tools, and shipping, we cannot offer further discounts. We appreciate your understanding. Repeat customers who comment will receive a small complimentary gift. Please don't expect too much, though! lol We hope that as many people as possible can enjoy raising ants.