My middle granddaughter is learning about these. She started doing it as she liked using them for air freshener. But now she is learning more about them and what can help with which ailment. She is 22 years old so good one for her to learn while we learn other things that we need to know. We will be putting it all to good use one day. We are trying to have each member of our family according to age to learn all kinds of things. Everyone has a job of some sort to learn the skills.
