Bestbuy offers JAXJOX - Kettlebell - Adjustable Kettlebell - Cool Gray for $99.99 (orig. $249.99) +Free Shipping.

Product Description:
The Kettlebell unique bullet stacking system features a rotating weight-selection core, allowing users to quickly adjust the weight from 12 to 42 lbs with push of a button. Change weight in 6 lb increments in seconds. Weight variations: 12-18-24-30-36-42