5 week old! Birn on morthersday (awesome gift) They are 3/4 nubian, 1/4 Nigerian. Black is female $200 White is male $150 Both are twins from a first time mom. They also still have their horns intact. This was the moms first birthing, and she's been giving almost 1 gallon a day (great milker) her lines are also from great milkers.