Scratch a MIT created programing language, kids can create game, interactive stories and more.
Cybersleuth a search engine designed for kids.
superkids.com - huge software review
Logical/Mathematical Good Drill and Practice
Arithmetic Practice at math.com
Sodaplay.com - incredible interactive animated creations! Go to the Soda Zoo!
Science/Math site from the Jefferson Lab
Brain Boosters- a large collection of brain teasers
Logic games at superkids.com