So vehicles can drive into the lower barn, I moved the hurdles to the other side of the barn and constructed the goat pens there.
There were a few issues…
The kids were able to move into the adjacent pen and escape, the goats needed to be swapped due to the different hurdles and I took directions literally so the goats could not poo in their feed buckets… note to self: only place on the outside if the goat can reach it!!
I altered the pens by changing the hurdles and moving the buckets, and there have been no problems since!