you get your bombchu, when you have the thred sea cart
goron temple
after you beat death mountain (as a kid) go to the bombchu bowling alley and play. if the prize is a bombchu bag win and that's how... the prize is random by the way.
In the temple
In the temple on Goron Island
the bombuchu bag is on goron island
there is no bombachu bag in the temple.
You get it by clearing out the dungeon in the Goron temple. On Goron island.
you get it in the goron temple while getting the first pure metal
you need a bombchu, witch ull get from the goron isle later in de game.
There is lots of shortcuts but you will need bombchus to get through them. You mainly see little holes and only a bombchu can get through them you get bombchus at Goran island
What game are you talking about. lf it is a 3-D Zelda game look around. There should be a hole on the roof. To get it up there you have to have the bombchu run on the wall. The game is phantom hourglass you need a bombchu. Use an other bomb to blow up wall.
The "leaf" you are looking for must be the one in The Legend Of Zelda: WindWaker, since there is no "leaf" in Phantom Hourglass. The only items you have there are the Boomerang, Bow, Bombs, Bombchu, Hammer, Hookshot, and a Shovel.