For extra projects and retired designs, sites like NXT Programs offer illustrated instructions for various fun builds.
To help you decide which PDF source best fits your needs, here's a detailed comparison: lego mindstorms nxt 2.0 building instructions pdf
, provides step-by-step instructions for six additional robots, including the Sentry-Bot NXT Programs Essential Building Tips Check Your Parts For extra projects and retired designs, sites like
Never worry about losing physical booklets or tearing pages while handling complex Technic beams. Must-Build Core Models for NXT 2.0 For extra projects and retired designs
A Debian Linux-based operating system that can boot from a microSD card on some older platforms, though for NXT, custom firmware like leJOS (Java for LEGO Mindstorms) is a popular way to run modern code.
C:\Users\[Your User Name]\Documents\LEGO MINDSTORMS NXT\engine\EditorVIs\Academy Content\activities\instructions