man class took 2 days, it was fun, sure it was common sense mostly but it is great for the younger guys wanting to hunt. afew of the idiots i saw there i woudlnt wanna bewithin 2 miles of the woods they hunted in. one kid showing how to cross a barb wire fence with a rifle, fell over the fence with his rifle in his hand (before they shown him how lol). If all these classes only save 1 life or prevent 1 injury then yes, there worth the time.