Light Up Your Brain is a treasure. It has games and puzzles -- all free -- that will indeed light up childrens’ brains, and will increase their vocabularies and entertain them too! Adults whose “read-aloud” function is growing hoarse from overuse will appreciate the read-aloud (by someone else) stories.

     While you’re on the site, click on “comments” at the foot of the page to find enthusiastic comments from all over the world. One I liked: "I think this is a grate learning site and it is hard and really fun. THANK YOU SOSOSOSOSOSOSOSOSOSO MUCH! - Taylor”

http://lightupyourbrain.com/index.html