If you catch a Tynamo, it will evolve into Eeletrik at level 39, then you evolve Eelectrik into Eelektross with a Thunder stone.
do online trading
thunderstone cave
Go far in Charge stone Cave and in between to stair cases to the bottem left is the thunder stone.
makes electric type Pokemon evolve
Evolve it using an Thunder Stone.
Woobat evovles into swoobat
the light stone isn't in Pokemon white only the dark stone in white and the light stone in black
When your on your way to the city to get your last badge you pass a mall you go in and you go up the steps and there will be a guy in a blue suit talk to him and hell give you a thunder stone.
In pokemon black you can buy the thunder stones from a man in the black city
you don't. you only get the dark stone
Pikachu,eevee,and if you have Pokemon black or white you can evolve a Pokemon called electrik to Elecktross using a Thunderstone
You can only find a Magma Stone in Pokemon Black 2, White 2, Pokemon Diamond, Pearl, and Platinum. It is not available in Pokemon Black and White.