A small square flower pot does a good job as well and avoids the potential domestic disputes!

You'd better get them done this morning cos minnowburn will be a wash out by this afternoon !
Just did 6 which emerged yesterday. 19 more due to emerge tomorrow.
They are ok for a couple of days in the roller if you put food in.
Already on to Plan B for this evening as there will be no bees opened.
Indoor presentation on swarming and swarm control.