Pessach be "Ofarim" Activities for Pessach and about Pessach's names
Stories, Songs and Pessach's songs's melodies
Presentation about Pessach Clips and Recipes
For young ages...
Torah Tots a site full of fun activities and games for all festivals. There are activities for shabbat, Birchot Hashachar, learning the alef-bet and more. You could also find a summary for this week's Parsha and colour pictures of the Parsha.