This is a 1985 Nintendo NES video game cartridge of Teenage Mutant Ninja Turtles, released in Japan by Ultra Games. The game is designed for the NTSC-J region code and is compatible with the Nintendo platform. It is a vintage video game that features the popular characters of the Teenage Mutant Ninja Turtles franchise. The product is a collectible item for video game enthusiasts and fans of the TMNT series.