Pokeballs are used to catch pokemon. Different pokeballs have different effects
Pokeball:Just a ordinary Pokeball
Greatball:Has a better chance of success
Quickball:Catches a Pokemon in less time
Safariball:Heals and strengthens grass Pokemon.
Timerball:Catches in less time then a quickball
Healball:The pokemon is healed when it is returned to its pokeball.
Ultraball:Has a high chance success
Masterball:Is certain to succeed.
Flaming ball:Increases Power to Fire types