Idea No 3: Mark each Personality/Event through Crafts/Models
Getting children involved in making something to do with Kerbala is a great way to teach them about it first hand. You can do these at home, or in classes during the Muharram nights.
The activity pictured for example, can be done over a few days to depict the layout of the camp of Imam Husayn (as).
Here are some tutorials:
Here is what one family did: