You can see beetles growth. Visible observation case, 3 x Rakubusu, Target Domestic beetles Features: This is a case for hippet larva that can easily observe just by putting it in. The compact shape makes it easy to see the growth process from larva to adult. It can raise up to 3 to 5 larvaes. It is also perfect for the breeding and ecological observation of ants and medalas living in close proximity. Quantity: 3 pieces; Size (W x D x H): Approx. 10.4 x 2.4 x 8.7 inches (26.5 x 6.0 x 22.0 cm) (Capacity 2L): Material: Styrol, polypropylene, Country of Origin: Japan; How to Use: Place the kabuto mat in the case and put a larvae. When it comes to June from the end of May the larvae moves the body to create a chrysane. From June to July, it becomes an onion in the chrysane. From July to August, it will become an adult bugs and come out from the chrysane. For more details, please refer to the instructions for breeding beetles that come with the main unit.