▶Material: Size: Queen Rearing Box:12cmx12cm/4.72inx4.72in. Package includes: 1 insertion aid; 20 x roller cage; 50 x smooth cell support; 50 x ribbed cell support; 115 x queen cells; 115 x insert cells ▶This is an efficient and to raise your own has many advantages over rival techniques. You can raise as many as you without having to the larvae. You also have the added of being sure of of the eggs. ▶You can at the bottom of easy to use. Simple to operate performing, and cost-effective.A tool for ▶Made from no harm to bees, and all components are reusable except cups. ▶This set is used for laying eggs to raise, Manufacturer: huswdw