Description: This is a lot of used, but working Nintendo NES game system cartridges.  You get the Super Mario Bros. & Duck Hunt combo, Dr. Mario, Tetris, Karnov and Karate Champ.  All are used with some mild wear and a few markings on the cases.          Payment:We accept Paypal only at this time for payment.Shipping:Shipping is calculated via the Ebay Shipping Calculator tab.  We will ship to several countries around the world, but not everywhere.  If your country is not listed in the drop down menu on the shipping tab, then sorry, we do not ship there.  Note, I DO NOT claim low values on international shipping.  Also, other countries customs fees, or any other fees associated with international delivery are the responsibility of the buyer!  Likewise, any customs holds or any other delays as a result of international shipping, are out of my control.  We do combine shipping when possible, please wait for an adjusted invoice once you have completed shopping.  Returns:If you are dissatisfied with your item, please contact us before resorting to unfavorable feedback.  We want our customers to be satisfied.  Please contact us first if your item arrived damaged or significantly not as described, and we'll go from there.  All returned items will receive a refund for the cost of the item.  Shipping and Return shipping will ONLY be refunded in cases where the item was deemed at fault by us (the seller), which will be determined case by case.  General Information:Bid with confidence- see my 16 year history of positive feedback!Item packed professionally and with care.From a non-smoking home.Be Sure to keep an eye on our store for other interesting and unusual items.  You never know what you might find at bay12toys (formerly Toy-O)!Feel free to contact us with any questions.