This museum presents in its 4 or 5 halls, a number of photographs of Jewish sites and people, and a well selected collection of items from the Jewish Moroccan past. Including clothing, household items, religious items, and parts of synagogues. It can be visited in less than an hour.
It is a bit out of the way but certainly worth the visit. The taxi ride from downtown (petit taxi) costs about 25dh and takes 20 minutes.