Build muscle by adding more resistance to your Wii Fit workouts with the adjustable weight dumbbell set for Wii. These dumbbells are specifically designed to enclose the Wii Remote (with or without the Wii MotionPlus adapter) and Nunchuk in the dumbbell. To add more weight, just click on the weight rings. Together weighing a total of up to 9.8 lbs, these weights are perfect for cardio, and weight training at home. They provide just the right amount of weight to your Wii exercise routines; you will wonder how you worked out with out them!