How do you get eggs in pokemon saphire?

Answer 1

Put two of the same kind of Pokemon in the Daycare Center. Example: You have a male Pikachu, and a female Pikachu, you put them both in the Daycare Center. Continue your Pokemon Journy of foiling Team Magma's plans, catching Pokemon you don't have, or defeating the remaining Gym Leaders you haven't faced yet. You come back after awhile and talk to the old man blocking the gates into their "playground", and he'll say your Pikachu's have made an egg! Have fun!