Earth Dragon Balls:Takes 14 days to find all 7 dragon balls. You find one dragonball everyother day. If more than one person is looking for the dragon balls and has some of them you need you can fight him. If you win you can take the dragonballs from him. You get one wish when you find them all. If a dragonball is underwater you will need a submarine. If it is on land you don't need anything. To find any of the dragonballs you have to have a dragonball radar.
Wishes you can make-
Raise one stats by 40000
Raise all stats by 20000
Any one item, armor, weapon, or ship
Namek Dragon Balls : These dragonballs take 4 days each to find. You get three wishes for finding them all. They are all on Namek. You must fly there first to be able to collect them. If they are underwater you'll need a submarine to be able to collect them. After they are found 3 times they will crack. You'll have to beat the dragon to get them back.
Raise one stat by 80000
Raise all stats by 40,000
Any two items, armor, ships, or weapon
Dark Star Dragon Balls: These dragonballs are on seven different planets. It takes two days to find one dragon ball(you must be on the right planet to find it). None of these dragon balls are on the same planet. You get one wish if you find all the dragonballs. The seventh dragonball will take three days to find.
Raise one stats by 800,000
Raise all stats by 400,000
Any three items, armor, ships, or weapons