Based on the PackBot developed by iRobot, LNE (LEGO NXT Explorer, Dinochrome brigade) can climb a 30¡ wood slope, climb piles of dirty laundry, lever itself up, climb (short) stairs, and flip itself upright if it ends up upside down. Video on YouTube: LNE vs. the Empire: http://www.youtube.com/watch?v=iNXHKtnFBcc LNE vs the Shuttle: http://www.youtube.com/watch?v=4ik640MLj6k -- Brian Davis