For example, you could ask your children to imagine that they are going to live on a remote island and will have to choose a number of people to live there with them.
وَٱسْأَلْهُ :‏ « أَيَّةُ صِفَاتٍ يَجِبُ أَنْ يَتَحَلَّى بِهَا هٰؤُلَاءِ ٱلْأَشْخَاصُ لِيَعِيشُوا مَعًا بِسَلَامٍ ؟‏ » .‏