In Pokemon Black and White you can find a Thunderstone in these locations: Route 9 and Chargestone Cave. Sometimes, a dust cloud will appear and you could get evolution stones or Gems. These are the locations where you can possibly find a Thunderstone in: Wellspring Cave, Chargestone Cave, Mistralton Cave, Twist Mountain, Challenger's Cave, Victory Road, and Giant Chasm.
Talk to the worker guy on the top floor of the Route 9 Shopping Mall. He will give you a Thunderstone.
Eelectrik into Eelectross
Pikachu+Thunderstone=Raichu Eevee+Thunderstone=Jolteon These are the only 2 pokemon that evolve with the thunderstone in pokemon emerald
you can find one at the power plant
Tynamo will evolve into Elektrik will evolve into Elektross with a thunderstone in Pokemon White.
Talk to the worker guy on the top floor of the Route 9 Shopping Mall. He will give you a Thunderstone.
most days of the week you can buy it in black city market for p10,000
Eelektrik does
Eelectrik into Eelectross
Pikachu+Thunderstone=Raichu Eevee+Thunderstone=Jolteon These are the only 2 pokemon that evolve with the thunderstone in pokemon emerald
you can find one at the power plant
You can buy it in the Celadon department store, or find it in the power plant
It is impossible to find a thunderstone in Pokemon blue rescue team. There is not one. I've searched everywhere. If I had not known that there was not one, I'd check Thunderwave Cave.
you can find it by the lighthouse in sunyshore city by the snorlax rock
bye it at a poke mart or find it in a poke ball
Tynamo will evolve into Elektrik will evolve into Elektross with a thunderstone in Pokemon White.
where do you find a thunderstone in pokemonpearl