Game Boy Color link cable [used]
In original packaging, great condition!
Make the most of your two player Game Boy games! Just link your Game Boy System with a friend´s (see diagram), and experience multiplayer madness. Challenge a friend with any of the link cable compatible games, such as Tetris or Star Wars Racer. Link up two versions of Pokémon, and you can fight frantic duels or trade Pokémon to complete your collection!