This is a set of three Famicom (NES) games: Family Circuit '91, Road Runner, and Satoru Nakajima F1 Hero. They have been tested and are working. The connector pins have been cleaned, so they work reliably on my compatible console, but I cannot guarantee they will work on all systems. I have tested each game briefly from the title screen. The battery backup battery life is unknown. Please understand that these are old items before purchasing. Thank you for looking. #FamicomCartridge #FamicomSoft #FCSoft #FCSoftSale #FamiconSoft #FCFamilyCircuit'91 #FC Satoru Nakajima F1 Hero #FCRoadRunner