Mindstorms NXT 2.0 is the newest set from LEGO's Lego Mindstorms series,
launched on August 5, 2009. The set contains 619 pieces.
Learn how to program LEGO NXT Mindstorms:
Get LEGO SDK and manuals
Or get the ROS code here.
Or get the Mindstorms NXT 2.0 iso here.