Damien Kee - LEGO NXT Resources - a huge range of links and resources for integrating Lego robotics into the classroom. A Robotics in Education mailing list is also on this site.
Classroom Robotics: Claws lego NXT - Lego Arm
Educators: Starting a LEGO robotics course? Great resource to help you organize and plan your course.
Free Lego NXT Mindstorms Robotics tutorial Climb A Mountain Use of gears Challenge 30
NXT Puppy - Ultrasonic and Sound Sensor Program
LEGO Mindstorms NXT Spider
Bestseller Books Online Intelligence Unleashed: Creating LEGO NXT Robots with Java Brian Bagnall $19.67 - http://www.ebooknetworking.net/books_detail-0986832200.html
These tutorials are being developed with the aim of making freely available a set of tutorial challenges that could help students develop skills in building Robots, and finding out how to teach those robots to do what they are told to do...
Lego robot can solve a Rubik's cube!
Lego NXT Mindstorms Robotics for High School...how to use robotics in HS