【Ant Breeding Case: Sand】 Why not try raising ants, not just for your child's science project, but also as a hobby for adults? Recommended for observing nest-building and raising turtle ants! ⭐︎Features⭐︎ Ant breeding observation kit using sand A feeding area (included) can be attached to the top, allowing for long-term breeding of colonies with queen ants. It's very interesting to observe the worker ants digging and building their nests. The shape of the nest varies depending on the ant species and the number of worker ants. Breeding medium to large species such as Formica japonica and Camponotus japonicus is recommended. Turtle ants are also being kept in very good condition. A breeding kit that allows you to closely observe the underground nest-building of ants, which you don't usually see. The observation period is from around May, when nest building becomes active, to autumn. Simple ecological experiments can also be done, useful for summer vacation science projects. ⭐︎Size⭐︎ Breeding case size 12.4mm (length) x 15.5mm (width) x 3.3mm (height) Plaster box (feeding area) size External dimensions (mm): 63 x 50 x 25.5H Internal dimensions (mm): 59 x 46 x 22H Sand Type: Silica sand (No. 5) Particle size: Approximately 0.5mm Weight: 210g Water addition amount: Approximately 25ml 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. Please feel free to comment. 【Bulk Purchase Discount】 2 items - ¥100 off 3 items - ¥200 off 4 items - ¥300 off Each item is made carefully, but as they are handmade, there may be burrs, scratches, dents, etc. Please refrain from purchasing if you are concerned. Due to the tight margins on materials, tools, and shipping, we cannot offer any further discounts. Thank you for your understanding. If you are a repeat customer, please leave a comment, and we will include a small bonus. Please don't expect too much, lol. We hope that as many people as possible will enjoy raising ants. Thank you for viewing.