You can find a lightball on wild Pikachu, but it is very rare.
Lightball
i don't think you can you would need to trade from ruby sapphire or emerald
CATCH PIKACHU UNTIL YOU CATCH A PIKACHU THAT HOLD THE LIGHTBALL.
By catching a female pikachu that holds the item lightball then breed
Pokemon ruby's version IS Pokemon ruby.
Pokemon Ruby has Pokemon that Pokemon Sapphire does not and Pokemon Sapphire has Pokemon that Pokemon Ruby does not.
ruby
You probably inquire about the lightbulb, not the lightball. It was invented in 1879 by T. A. Edison.
All The Shiney Pokemon You Can Get In Pokemon Ruby Are All The Pokemon You Can Get in Ruby Any Pokemon Can Be Shiney Even Starters and Legendaries. So There Are 200 Shiney Pokemon You Can Get In Pokemon Ruby.
You can trade from Pokemon Ruby to another Pokemon Ruby using a link cable.
you can't get the pokeradar in Pokemon ruby
Pokemon from the 3rd gen (hoenn region) are in ruby