【How-to】What do i do with amber in pokemon yellow

Aerodactyl was revived from an Old Amber that Goh found at a Fossil digging site at the Pewter Museum of Science. Team Rocket’s intervention caused Aerodactyl to be restored early, prompting it to go berserk. After battling and defeating it, Goh befriended Aerodactyl, who allowed him to catch it.