Where are all the legendary Dragon Ball?

Dragon Ball in the legendary 3D is similar to Dragon Ball in the anime. They all collect 7 pieces, and they can summon the dragon and make a wish (get a generous reward). Seven dragon balls have a chance to fall in the wild, but the probability is very low.

One or two star dragon balls can be mined in the water-like battlefield and the mine cave, respectively.

Three or four stars can be captured in the dart and the answer activity, respectively.

Five or six dragons can be captured in the imperial edict and the magic secret realm activity, respectively. They can only be opened in the activity treasure chest every day.

Therefore, in order to collect all dragon balls quickly, in addition to doing daily tasks,