Ready, Set, Roll! Bring competition to the water, wherever your water is! This portable log (weighing only 65 pounds) is made for your pool, pond, or on the go. Log rolling, beginning back in the 1800s, is a fun, competitive and excellent workout for all ages and abilities. The Key Log – equipped with removable training fins – allows users, from beginner to advanced, to develop their skills and challenge their friends! One set of three yellow training fins is included with each Key Log.