JUST FOR FUN!!
                                                
Interactive Websites: http://jc-schools.net/tutorials/Interactive.ht

700+ Best sites for kids: http://www.ala.org/parentspage/greatsites/amazing.html
Brain Bashers Puzzles and Games: http://brainbashers.com/
Enchanted Learning: http://www.enchantedlearning.com/Home.html
Fun Brain (lots of games in all subjects): http://funbrain.com/
Kids Domain: http://www.kidsdomain.com
Lil Fingers (preschool stories and games): http://www.lil-fingers.com/
Linkasaurus: http://www.linkasaurus.com
MysteryNet: http://kids.mysterynet.com/
PBS Kids: http://pbskids.org/
Smithsonian: http://www.si.edu/kids/
Time For Kids: http://www.timeforkids.com/TFK/
United States Government Kid Pages: http://www.kids.gov/
World Village Puzzles and Games: http://www.worldvillage.com/kidz/