Leyzer, why not search online for “birthday party activities for kids”
and then you can adapt some of those for Chanuka.
Also maybe your wife can compose a type of Boggle, as in:
CHANUKA CHAGGLE BOGGLE
Then position words associated with Chanuka so they’re similar to Boggle, and have the kids find them. Such as:
____S
____H
____U
____S
____H
____A
haman
__O
__R
__D
__ESTHER
__Charvona
__H
__A
__I
Then to carry it a notch further, maybe gather all the words/names which your kids found, and write each on a separate piece of paper. Fold the papers & shuffle them. Each of your kids then picks one of the papers. For example, lets say Kid Ploni picks one which says “Shushan”, s/he can then pick a food beginning with “S” such as sushi or salad, which would be served as one of the dishes for supper the following week.
…and if Kid Almoni picks “Esther”, then s/he might choose for “E” either deviled Eggs or Eggplant-parmesan as one of the dishes she wants for a meal next week.