Features1Made of plastic, eco?friendly, non?toxic and safe to use. Anti?aging and corrosion resistant, durable and not easy to break. 2This system can produce a lot of reliable results, allow you to raise your own queens without grafting or even touching a larvae. 3This queen rearing box enables the queen to lay eggs directly into cell cups, avoiding the danger of grafting, and ensuring the correct age of the larvae. 4Economical and practical queen rearing tool for beekeeper, is easy to use, and the developed virgin queen cells can then be introduced to new colony. 5This kit contains the tools needed for the entire process from queen rearing to queen marking, which can meet all your needs in one stop.SpecificationItem Type: Bee Rearing System KitBox Size: Approx. 16.7 x 11.6 x 3.5 cm / 6.6 x 4.6 x 1.4 inMaterial: plasticApplication: Used for cultivate queen beeWeight: Approx. 657g / 23.2ozPackage List1 x Queen Rearing Box 1 x Queen Rearing Grafting Pen 1 x Lid 20 x Queen Cage 115 x Small Queen Cell 115 x Big Queen Cell 50 x Small Queen Cell Holder 50 x Big Queen Cell Holder