The Jewish Outreach Institute have produced information on the history and practices of the Jewish Calendar. There are stories, recipes, essays and quizzes about Jewish holidays such as Passover, Rosh Hashanah, Hanukkah and more.Jewish Holydays
This site details all the Jewish festivals and fasts. The pages are illustrated and very readable.Judaism for Children
Suitable for older primary aged children this informative site on Judaism features several Jewish festivals and customs.