EA SPORTS Active is a personal trainer gamer similar in idea to Wii Fit. You can create and fully customize a profile (down to the color of your shoes), then monitor your daily activities and get hints and feedback from the game. You can set personal challenges such as wanting to lose certain amount of calories within a month or having to do exercises for certain times within a week. There are also regular exercises you can work out on your own or with a friend.
The box includes:
Leg Strap (for the Nunchuk controller)
EA SPORTS Active game
The game also supports the Wii Balance Board for certain exercises, but it is not required to play the game.