you need the fire badge in lavenderige town kk good luck
The 3rd badge.
You don't need a badge to get strength but you need a badge to use strength and that badge is the rainbowbadge and that is the 4th one in celadon city.
You can use the move strength in Pokémon to move boulders. You can use strength in FireRed after getting the rainbow badge.
The mine badge.
you need the fire badge in lavenderige town kk good luck
The 3rd badge.
You don't need a badge to get strength but you need a badge to use strength and that badge is the rainbowbadge and that is the 4th one in celadon city.
You can use the move strength in Pokémon to move boulders. You can use strength in FireRed after getting the rainbow badge.
The mine badge.
Strength will activate when you get the RainbowBadge.
you need the Mauville city gym badge. (the electricity gym) if im not mistaken
You need the 4th badge first to use it.
You need the cobble badge.
The fourth one.
The fourth badge. It's in Lavaridge town. You'll need to use the cable car north-west of Mauville.
Use strength. I believe you need the Water gym badge