Here is the PDF LEGO-Mindstorms-NXT-2.0-Instructions.pdf
Here is an example program that moves the robot arm: lego mindstorms nxt 2.0 building instructions pdf
LEGO Mindstorms NXT 2.0 is a robotics kit developed by LEGO, which allows users to build and program their own robots. The kit includes a range of components, including motors, sensors, and a microprocessor-based controller called the NXT brick. Here is the PDF LEGO-Mindstorms-NXT-2