The Three Jewels are like a special club that some people in the Buddhist religion belong to. The three jewels are things that they believe are really important for people to follow, like important rules or guides.
The first jewel is called Buddha. This is like having a really awesome teacher who lived a long time ago and showed people how to live their lives in a good way. He taught about being kind, staying happy, and making good choices.
The second jewel is called Dharma. This is like having a special book that tells people what to do to be happy and good. This book has lots of teachings and stories about how to live your life the right way.
The third jewel is called Sangha. This is like having a group of really good friends who also follow the teachings of Buddha and Dharma. These friends help each other stay happy and good by reminding each other of the important rules and guides.
So, the Three Jewels are like a super important set of rules for Buddhists to follow. They believe that by following these rules, they can be really happy and good people.