My pymies had babies!!!

Yipeeee!!! So excited!! I just got a trio of mus minutoides a few weeks ago, and i hear tiny peeping from the nest this mornin!!! Wish i could take pics, but the mouse house is on "lockdown" lol...http://img.tapatalk.com/d/13/03/11/sa3a3ehy.jpg
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So here it is, a month and a half later, and I have my SECOND litter! I hope I don't have a population explosion of these lil guys! :P I only have a 20 gallon tank, and Im not buyin another one...