after you get the amber egg ,go to the cinnabar islands and then to the pokemon lab.after you reach there go to the last door.you will find the machine that you first see in oak's lab.talk to the person who will speak about rare fossils .then give him the amber .hope it helps cause i played the long time ago.
go back to pewter city. use cut on the bush north of the city to go to a secret entrance to the museum. the amber is standing on a stone base, next to a scientist. talk to the scientist/talk to the old amber to receive it.
from Pokemon FireRed
there are none
A faster way to get an egg to hatch is to ride your bike.
Only bring Pokemon of the same gender into the daycare. You can also refuse to take the Pokemon egg.
run around til it hatches with it in your party
Charmander is a fire type of Pokemon. To get a Charmander egg in Pokemon FireRed, you can breed Charizard with Ditto.
from Pokemon FireRed
The old amber is the fossil of aerodactel go to cinnibar island to ressurect him/her
My mom
he hatches
This item only exists in firered and leafgreen.
Chikorita cannot be caught in Pokemon FireRed. However, you can catch a Bayleef in Pokemon Colosseum, transfer it into FireRed, and breed it to get a Chikorita egg.
beat the Pokemon league and go to 4 island and breed two compatible Pokemon and BAM! you have an egg
Breed eltabuzzs and hatch the egg
leave 2 Pokemon in the day care center and they might have a egg
you cant its impossible srry
I sometimes get bad EGG