Here are some cool websites:

Classroom Activities, A-Z

http://www.eslkidstuff.com/Classroomgamesframe.htm

Technology Stuff

http://www.edzone.net/~mwestern/stuff.html

Creative Writing

http://www.brucevanpatter.com/funstuff.html

Math Activities

http://www.netrover.com/~kingskid/Math/math.htm

Spelling Activities

http://volweb.utk.edu/Schools/bedford/thomas/spellact.html