It has a very slight yellow border on the bottom and right display, but nothing bad.  It works great and is guaranteed to work!  There are some light scratches on the screen.  The back of the unit has some light scratches and minor wear. It also has some initials scratched more noticeably on the back (see pic).   Battery cover is intact and battery compartment is clean. There is a small ding on the outside in the bottom right corner.  Includes the original manual.

This system does not have a backlight so you have to be in a well-lit area to play it.

Shipping is FREE via first class mail w/delivery confirmation to the US.