http://www.e-learningforkids.org/courses.htmlhttp://pbskids.org/dragonflytv/ (also look for Zoom tv show here)
http://www.spellingcity.comhttp://www.usborne-quicklinks.comhttp://www.brainpop.comhttp://www.mindwareonline.comhttp://www.show.me.uk/parents/parents.htmlSearch
http://www.legoeducation.us/global.aspx (for Lego Robotics, science and engineering)
Search the ultimate book thread here
Search the ultimate website thread here
Here's some fun things for learning: magic tricks, card tricks, Pop up, Ed Emberly Drawing (
http://edemberley.com/intro_alternate.html), yo yo trick (see youtube), nature books, how to take care of critter you find in your back yard, astronomy, go to a science museum and see what captures his interest then run with it.
Have fun.