GameStop and Microsoft have teamed up to give away a custom-built Xbox 360 motorcycle. The chopper was designed and built by Joe Martin of Martin Brothers Bikes.

To enter just buy something for $25 or more at a GameStop or EB Games or just hop over to the link below and sign-up. You can enter for free once a day. The contest ends May 24.

Other prizes include a Sharp HDTV AQOUS TV, Alienware Area-51 m5500 computer, Xbox 360, some starter kits for the console and Martin Brothers jackets.

Chopper [Game Informer]