http://www.legofoundation.com/
Lots of great reasearch on childhood, learning and play. The research I cited can be found as PDFs on this page. Five Types of Play under Future of Play and Motivations of Play under Systematic Creativity in the Digital Realm
http://www.joanganzcooneycenter.org/publications/
Research center for children's learning through digital media, by Sesame Street people.
- [The Child Machine vs. the World Brain (on Alan Turings ideas)] (http://www.informatica.si/PDF/37-1/01_Sammut%20-%20The%20Child%20Machine%20vs%20The%20World%20Brain.pdf)
- Twenty things to do with a computer (Seymour Papert and Cyntia Solomon)
- Personal Computer for Children of All Ages (Alan Kay)