The Earth Dragon Balls

The earths dragon balls are the smallest of the three sets. They were created by the guardain of earh, Kami. He created them out of memory from his home planet, planet namek. When all 7 of these are brought together the earths eternal dragon appears, he is called Shenron and in the begining can only grant 1 wish. But after this little namekian boy named Dende becomes the guardian of earh he recreates the dragon balls to give 2 wishes. The thing that makes this dragon different from the namekian dragon (Parunga) is that he can resore more than one life at a time but only if the person or being hasn't been wished back before.

The Namekian Dragon Balls

These are the biggest dragon balls of all 3. There Dragon Porunga is a bigger more in time dating dragon that can grant 3 wishes within his power which means he can only restore 1 life at a time, but that person can be restored as many times as needed. You can only wish in namekian though...

The Black Star Dragon Balls

Thats what they are, ther dragon balls only they have a black star instaead of a redorange star. They are evil, and were hid in kamis tower so that no one would find them but a guy name Pilaf who hated goku turned goku into a kid so he couldn't hert him. One of the dragonballs had a crak in it and when the dragon was summoned, shenron apperd but he looked different. The heros learn that do to all the negitivity stored from negitive wishes. A cloud surrounds Shenron and 7 evil dragons appear and leave in different directions to wreak chaos.