Furnished it with a bed (child's size bed), table etc.
I had written slips of paper with situations /chores/skils that they had
A child chose a slip and completed the task. ie. You and your companion
are about to leave to go visit an investigator and a button pops off your
suit jacket. I had the small kids do play sewing with a plastic needle
on a pre-punched board, the older ones actually tried to sew the bottom
We presented it in a fun manner and the kids enjoyed learning the different
things missionaries have to do for themselves.
Other tasks could be make the bed, wash some dishes, iron a shirt and fold