this site provides free building instructions and downloadable programs for lots of fun projects. * Projects designed for the young and young at heart! * Only one NXT kit required, no extra parts are needed * Full building instructions with color photographs * No programming experienced required! You can simply download and use the programs provided. * Know some programming but want to learn more? Study the fully commented programs to learn how they work, modify them, and use what you learn in your own programs.
http://www.nxtprograms.com