This is an authentic Ali breeding case made from plaster. Earth color type that is more natural Gel Breeding Kit looks beautiful but not to the ecological of ants, and is difficult to breed up. Items that use soil are difficult to maintain the environment, and bacteria can grow. This gypsum nest is corrosion free and easy to maintain the environment, and is truly an ideal breeding environment for ants to live comfortably. The nest holes are designed based on the ecology of the ants, so you can immediately fill the large colonies (flesh) in seconds. The nest will not break due to impacts. The nesting holes are 3D structured and the front side is divided into many rooms, and the back is suitable for passages and storage areas. The clear acrylic case allows you to observe every detail of the contents from any direction. You can see the amazing ecology of Ants that involve an organized social behavior and will be a very valuable experience for your child. It is also perfect for summer vacation homework and free research. The plaster nest is highly moisturized and easy to manage, but it comes with a digital thermometer/hygrometer that makes it easy to manage. It also comes with a manual that details on how to use and how to use the Ali, so it is safe for even first-time users. The breeding case has an expansion hole that allows you to expand the nest and move the ants. The bottom of the case also has a water storage space to prevent dryness and allow for greater moisture control. The plaster part can be removed from the acrylic case. You can also remove it to clean it or cut the plaster by yourself. Case Size (H x W x D): 7.2 x 5.5 x 3.3 inches (182 x 140 x 83 mm); Extension Hole Diameter: 0.4 inches (10