How do you get the bomchu bag in the legend of Zelda phantom hourglass?

Answer 1

You get it in goron temple. There is a easy prosedure to get it.

You can also get a bigger bomchu bag in the MercayIsland shop.

Answer 2

in the temple that the gorons are asking you to go through

Answer 3

while clearing the dungeon of Goron temple, you get the bomchu bag.

(P.S. when you get to dongorongo (boss of Goron temple) you need to use the bomchus!!!)

:) :) :)