There are numerous resources and lesson plans available from this website to help you if you are planning music lessons.
In Salzburg, Austria, Mozart’s childhood house has been turned into a museum. Design the front cover of a brochure advertising the Museum by briefly describing who Mozart was, what may be see in the Museum and why Mozart is still so popular today.
Looking for something more challenging for your class?: Write a wikipedia entry for one of Mozart’s famous pieces. Don’t forget to include the date of composition, the genre (concerto, opera etc), what instrument/s it is composed for and any interesting information you can find on why it was composed or where it was performed. Here is an example. This page is the sort of thing.