Walmart offers CAP Barbell 25 Lb. Adjustabell Dumbbell Set for $119 (reg $229.99) with free shipping.

Product Description:
The CAP barbell 25 lb adjustable dumbbell set features an adjustable weight adjustment system that is safe, quick, and easy to use. The adjustable weight-adjustment system allows you to rapidly switch from one exercise to the next. Simply turn the handle right or left to adjust the weight in 5-pound increments, pull up, and start your workout. The straight bar handle has a natural orientation for a comfortable, secure lifting position.

• Quickly switch weights between exercises during circuit workouts & lower the downtime between exercises
• Easily switch heavyweights for squats and lunges to lighter weights for curls and triceps extensions
• Unique dial system combines 5 sets of weights into 1
• Eliminate the need for multiple dumbbell sets and cut back on the clutter of your home gym with dumbbells