The safest, highest-quality source for any is LEGO’s official customer service website. LEGO has a dedicated service for all retired sets.
One of the best reasons to get the PDF is to print specific pages. Maybe you only need steps 40-55 for a repair. Here’s how to do it effectively: lego mindstorms nxt 2.0 building instructions pdf
But there is a common problem: the original printed booklets get lost, chewed by a family pet, or damaged in a basement flood. Or perhaps you bought a used kit on eBay that arrived with motors and sensors but no paper instructions. The safest, highest-quality source for any is LEGO’s
If your NXT brick has been sitting in a closet for years, ensure you have the latest firmware (v1.31) to avoid bugs when running the programs associated with the PDF instructions. Maybe you only need steps 40-55 for a repair
The most complex mechanical build. It uses a conveyor system to sort red, blue, and green elements.
Building from a screen is slightly different than using a physical book. Here is how to make it easier: