Walmart Exclusive Super NES w/Gameboy adapter in box

[sav127]

Please can anyone tell me if this is rare. I've never seen it. Does anybody have an idea of its worth?
http://i57.photobucket.com/albums/g210/sav127/DSCN0573.jpg
http://i57.photobucket.com/albums/g210/sav127/DSCN0574.jpg