On June 22, 2022, teacher Chantha Loeung led Kidergarten students of American Intercon School, Phsar Thmey Campus to observe Mangosteen. Before observing, the teacher showed as well as described Mangosteen. It is also be noted that the purposes of this observation are:
- to recognize the appearance of Mangosteen
- to recognize the color of Mangosteen
- to know what Mangosteen can make
- to recognize the benefits of Mangosteen.