That sounds a bit tight for 6 5 week olds, could you give them an additional 'run' section? Add on a bit?
You mentioned it's been cold, how is it cold where you are? Maybe let them out side for the day & bring them in-if you have the run outside secure.
You mentioned it's been cold, how is it cold where you are? Maybe let them out side for the day & bring them in-if you have the run outside secure.