The Dragon Jewel (竜宝 Ronpao) is an artifact in Dragon Boy, Akira Toriyama's prototype work for Dragon Ball. When infused with ki it becomes a small dragon.
As a small dragon it resembles a miniature Shenron.
Tangtong is given the Dragon Jewel by his master, when he attempts to use it to battle the Water Demon it is revealed to be a small weak dragon.
- It is pronounced ろんぱお (ronpao), which in Chinese would be pronounced "Longpao".