Queen Rearing Nicot System Kit is used for laying eggs to raise queens. This kit enables the queen to lay eggs directly into a plastic plug, avoids the dangers of grafting, and ensures the correct age of larvae. This system can produce prolific reliable results, works by pacing your laying queen beneath the queen excluder of your cup kit box. Made from high-quality plastic, it is non-toxic, harmless to bees, and lightweight. All components are reusable except the brown cell cups. Not easy to break and age, the developed virgin queen cells can then be introduced to her new colony.