Mishpatim

The library
A great website with stories & pics that you can use to teach Hebrew

Jafi

Crafts for kids
Crafts for every day during the year that you can make at home

eJewish
a collection of Jewish Resources by the Jewish Agency

Oach- Tu Bishvat
The education of goverment made a fantastic site. with Tu Bishvat Seder, Pics, songs, Mitzvot about eretz yisrael etc.