Kubrow Egg

"This egg is used to transplant the genetic code of a Kubrow onto a Kubrow clone."

- In-Game Description

This egg can be incubated to hatch into either a natural Kubrow of a random species, or according to the Genetic Imprint used in breeding. Kubrow Eggs are rare and can only be obtained by destroying Kubrow Dens in the Grineer Forest tileset, which are only located on Earth. Alternatively, it can be bought for 10 in the Market.

Obtaining an Egg
Zlatan Ibrahimovic

Reference
Kubrow Ei