High quality golf pencils that are cut and sharpened in the U.S.A. Made with strong number 2 lead draws with a dark line and does not need to be sharpened often. The pencils are tested and approved non-toxic. Children and adults love these color changing pencils. These pencils are sure to please and are great for score keeping, pews giveaways and much more. PLEASE NOTE: These pencils are heat activated. They may not change color if your hands are the same temperature as the pencils. please cool the pencils down and the rub the pencil to make friction. The pencils will make there full change. If you receive your pencils in a warmer climate they may have changed color in transport. Please cool down the pencil and they will be ready to sense your mood. Also if you live in a colder climate you may have to rub the pencil to make heat to cause it to change. If you any question feel free to contact us. Thanks