While it seems like ankle weights should help our leg muscles tone faster than without the weights, our legs aren’t designed to carry around heavy feet. There is more risk for injury of tendons and ligaments than toning leg muscles. If you want to focus on leg toning, your best option is some body weight workouts or exercises such as lunges with weights.
When you were young, you probably didn't spend too much time thinking about preparing your body for the future. In your teens and twenties, you're in peak condition and it's the perfect time to start exercising. Cut to 20 years later and, if you didn't start exercising, you probably wish you had since there's something we all start to experience in our 40's—weight gain.