Where to test NES carts

Looking to see if anyone knows where a good place to test old NES carts?  I have found some of older ones.  Example.  Mega Man 1 with dust cover and manual.  (Had the complete box but my dad tossed it.  Oh well)  Have no intention of playing it.  I was thinking about selling it but I want to make sure it works.

Thanks

You could just ask around and see if you have a friend that still has an NES system.  Or, if you want to sell them to a retro game store, I'm pretty sure they will check them for you on their end.  

What games do you have?

Or you could just sell it to a retro store that is going to test it out for you.

spooie_redux said:

You could just ask around and see if you have a friend that still has an NES system. Or, if you want to sell them to a retro game store, I'm pretty sure they will check them for you on their end.

What games do you have?

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Mega Man 1, Hydlide, Karnov, Adventure Island, Kung Fu, maybe a few others.

I was thinking about bringing them into the retro toy store in the local mall. None of my friends have a NES around. Thanks!