Farmville Nation

I know for the LONGEST time people have been clammering for Aquatic Animals.  Well Stop your grinnin' and drop your linen!  We are not only getting some Aquatic Critters (Impressive), they are getting a PEN! (Most Impressive)

So anyway, You cant just Plop a pen down, that would be "All to easy"

You have to build it.  So here are the 3 parts you need, plus the total number you need to fully Expand it.  (45 of each part)