Nintendo and Duracell have teamed up to promote NINTENDO WII with the Duracell's "What Powers You" WII Sweepstakes. Consumers who purchased specially-marked Duracell batteries were able to enter the 16-digit code on the package into an entry form at www.Duracell.com/Wii. Each contestant receives one entry into the Instant Win game and one entry into the Grand Prize Sweepstakes. There are 76 Instant Winners. One First Prize winner received a WII console, 15 WII video games, 3 additional WII Remotes, 3 additional Nunchuk controllers and 1 WII Points Card and 5 8-Packs of Duracell CopperTop AA batteries. Twenty-five Second Prize winners received a WII console, one WII video game and an 8-pack of Duracell CopperTop AA batteries. Fifty Third Prize winners received 3 WII Points Cards and an 8-pack of Duracell CopperTop AA batteries. One Grand Prize Sweepstakes winner received a Wii Family Pack, consisting of a WII console, 15 WII video games, 3 additional Wii Remotes, 3 additional Nunchuk controllers and 1 Wii Points Card, plus 10 WII consoles for 10 of the winner's friends and 6 16-packs of Duracell CopperTop AA batteries. The sweepstakes lasted from Frebruary 15, 2008 through March 31, 2009. The promotion was supplemented with NINTENDO WII branded packaging for select Duracell batteries.