Use your exploror kit by pressing on it youll go under ground and youll find them (you click on the screen to see where they are)
one place is in the underground
The Underground or Sunyshore City
You can get one in sunnyshore city or underGround
A Thunderstone can evovle Pickachu.
pikachu evolves into raichu if you use a thunderstone on him other Pokemon evolves to if you use it but i don't now them DIAMOND AND PEARL ONLY
In sunnyshore city in front of the lighthouse there is one on the ground
no, you can only get them from using the explorer kit or sunnyshore
You use a thunderstone. I did Riachu is amazing!
You can get one in sunyshore or u can dig for one underground
The thunderstone can be found at Sunyshore City. Go to the Vista lighthouse and go down the stairs. At the bottom there will be a thunderstone. You can also dig these up in the underground.
Pokemon 135 is a Jolteon you must get and evee and put a thunderstone on it!
I'm not exactly sure ,but i think you have to go underground and dug it up.