Billy Bear's Playground Nice activities for young children that include games and stories.
Enchanted Learning Provides a great child friendly dictionary.
Learning Planet Letter identification, vowel and consonant sorting, word searches and Mr. E's concentration game.
The Literacy Center Wonderfully friendly activities for young children that include numbers, letters, colors and shapes.
Live and Learn Go to the resource material section. There are nice color and number matching games, and an opposites book.
Nickelodeon Junior Blues Clues activities for younger children.
Zoom School An online elementary school which has some very good lesson plans. There are also activities for young learners and the language is simple enough for them.