There are too many kinds of them that can suit every age over 3 years, for example, Tvidler Ear Wax Removal with a Camera can use t by kids and older because it has a camera that gives you to see what you are cleaning inside of your ear without hurt. But the Tvidler Cleaning Earwax With 16 Replacement Heads it's only for the older because it has a big head that has a size of 2.5cm which means it will suit the older ones only.