Don't just play alone, link up with a friend with the link cable.
This listing is for only 1 Universal link cable though the picture shows you 7 color choices.
Connects from 1 GB Pocket, GB color or GB Classic to another GB Pocket GB Color or GB Classic!
Choose from 7 colors:
Clear Orange, Clear Yellow, Clear purple, Clear Blue, Clear Green, Clear Red
and Solid Black
This cable works with them all!