Lost Woods
Make your first left in the Lost Woods. There will be a kid standing on a tall tree trunk. Stand on the smaller trunk and play Saria's Song (see the "Ocarina Songs" summary for more information) for him. He will give you a piece of heart.
Make your first right in the Lost Woods and climb down the ladder. Walk over to the area where there is a tree trunk growing out of the bushes. Some kids will appear. If you pull out you Ocarina, they will ask you to join them. If you continue to play flawlessly, they will eventually give you a piece of heart.
Hyrule Field
Near the path leading to Lake Hylia, there will be a large section of grass that is fenced off on all four sides. Detonate a bomb roughly in the center to reveal a hole. Climb down the hole to find this piece.
If you walk a little bit to the northwest of Lon Lon Ranch, you will see a tree that looks rather different - it has a strange leaf coloring. Detonate a bomb near the trunk to reveal a hole. Jump down the hole to find this piece. You will need the Blue Tunic and the Iron Boots to collect it.
Market Square
At night, as a child, play the Treasure Chest game. If you can make it to the final room, there will be a piece of heart in the treasure chest.
You get many different prizes for winning the Bombchu Game. If you keep playing, you will eventually win a piece of heart.
At night, you will meet a women in a house in the Back Alley's who claims she lost her dog. Search for the dog near the Bazaar (it is a white dog) and bring it back to her. She will reward you with a piece of heart.
Lon Lon Ranch
In the shed behind the large corral, move the crates around to reveal a small opening. You must be a child to crawl through the opening and to collect this heart piece.
Kakariko Village
After you visit the Fairy of Power on top of Death Mountain as a child (see the "Fairies" summary for more information), allow the Owl to fly you back to Kakariko Village. He will drop you on top of a house. If you walk off the left side and near the wall, you should land on a little wooden awning. Crawl through the opening into the house to find this piece.
As an adult, climb the large ladder to the small platform. With the longshot, aim for a part of the roof on which the trapped man is standing. Use the longshot to pull you onto the roof. Speak to the man and he will give you a piece of heart.
In the Graveyard at night, as a child, you might find Dampe walking around. Pay him to dig for you. Eventually, he will dig up a piece of heart.
As an adult, find Dampe's grave and race him. If you keep up with him, he will give you the hookshot. Then play the Song of Time to get rid of the large, blue block which is obstructing your path. Climb the stairs and you will emerge in the Windmill. If you time your jumps correctly, you should be able to collect the piece of heart which is on a ledge.
After you have received the hookshot, find Dampe and race him again. If you can complete the race in under a minute, he will give you a piece of heart.
After you have collected 50 gold tokens, enter the House of Skulltula and talk to the kid who was just freed from the curse. He will give you a piece of heart.
As a child, plant a Magic Bean in the soft soil of the Graveyard. Come back as an adult and ride the leaf up to the platform. A piece of heart will be in the treasure chest.
Death Mountain and Vicinity
As a child, plant a Magic Bean in the soft soil near the entrance to Dodongo's Cavern. When you come back as an adult, ride the floating leaf up on top of the entrance to collect this piece.
Goron City
Light every torch and the enormous urn on the ground floor will begin to spin. From the ledge which is one floor above the ground floor, and is directly opposite from the store, throw a bomb into the urn. It will stop the urn and the urn will toss out an item. If it is not a piece of heart, keep trying until you get it.
Zora's River
You will see a group of frogs in one section of the river. They will give you items for playing songs. If you play the Song of Storms for them , they will give you a piece of heart.
If you play for the frogs again, you will notice that some of the frogs appear to be "highlighted." These frogs correspond to the buttons on the controller. If you are able to follow the blinking frogs fast enough, they will give you a piece of heart.
Near the group of frogs, there is a piece of heart on a high platform. Pick up a chicken and carry it to a platform that is close to the heart piece. Then "use" the chicken to float over to the piece of heart.
Near the waterfall, there will be another piece of heart on a ledge. You must take the chicken from the beginning of Zora's River all the way to the waterfall. Then jump from a nearby spot and float over to the piece of heart.
Zora's Domain
With a Deku Stick as a child, quickly light all of the unlit torches (including the two that are behind the waterfall). A treasure chest will appear behind the waterfall. It will have a piece of heart inside of it.
Death Mountain Crater
After you learn the Bolero of Fire, use it to warp as a child to the Death Mountain Crater. You only have a limited time, so quickly plant a Magic Bean near the spot where you warp to. Return as an adult and ride the leaf onto the huge rock that has a piece of heart on its pinnacle.
There is one large cliff that you can actually climb down. When you are standing on the top, it is difficult to tell. If you walk near the edge and start to walk over, you should grab the wall and begin to climb down (if you fall off, then you have chosen the wrong cliff). Climb down into the small chamber which has a piece of heart.
Lake Hylia
Catch the largest fish in the Fishing Pond and you will be given a piece of heart.
As a child, plant a Magic Bean near the laboratory. Return as an adult, ride the leaf up to the roof and climb the ladder to the platform which has the piece of heart on it.
After you find the Golden Scale, dive down and touch the bottom of the pool inside the laboratory. You will be given a piece of heart.
Ice Cavern
You will find a frozen red block with a heart piece inside of it in the Ice Cavern. Open a bottle of blue flame and it will melt the red ice and release the piece of heart.
Zora's Fountain
As an adult, find the ice block with the piece of heart inside of it and use your sword to break the ice and claim the heart piece.
As an adult, when you have both the Iron Boots and the Blue Tunic, sink underwater right in front of the entrance to the Ice Cavern. At the bottom of the large depression underwater, there will be a piece of heart.
Gerudo Valley and Fortress
As a child, pick up a chicken and jump off the right side of the bridge. Use the chicken to float you over to the waterfall. There is a ladder behind the waterfall which leads to a small chamber where there is a piece of heart.
As an adult, use the Hover Boots to jump onto the ledge which is off the left of the bridge (or the area that the bridge used to span. Then use the longshot to pull yourself over to the crate on the ledge which is across the canyon. Break the crate to reveal a piece of heart.
While exploring the fortress, you will see a large treasure chest on top of the roof of the fortress. Use your longshot to reach the treasure chest. There is a piece of heart inside of it.
You need Epona to collect this heart piece - you must participate in the Horseback Archery contest. You must shoot at many targets to score points. If you score 1,000 points or more, you will be given a piece of heart.
Desert Colossus
As a child, plant a Magic Bean near the entrance to the Spirit Temple. Come back as an adult and ride the leaf to the top of a large piece of stone. There will be a piece of heart there.