They have to live with you too, the children. Why not put them to work? Chores need to be done. Things need to be organized.
Find small tasks, treat them like you expect to be treated when you do nice things for those at your workplace, and when everyone does what is asked of them, treat them to a dessert or a park visit. One problem solved, now how many more to go?
Never too young to do chores. 3 and 4 years old - YouTube