In Paper Mario: The Thousand-Year Door there are a few items that are not buyable, but must be found. Nevertheless, you can use these items like normal, so store, sell, eat or have them prepared at Omle T.
Horsetail
A horsetail can be found in the Petal Meadows, in the area to the left of Petalburg. Hit the pole, to the right of the warp pipe, ten times on the head and a horsetail appears. It regenerates 3 HP.
Turtley Leaf
The Turtley Leaf comes from Petalburg, where it can also be found. The leaf is located only on the shrubs in front of the mayor’s house, so in the area where the blue warp pipe is. The Turtley Leaf restores 3 BP.
Dried Bouquet
You get a Dried Bouquet from Knospi from Petalburg. Once you have completed the task, Knospi will gladly give you a Dried Bouquet against a hot dog.
Mystic Egg
The Mystic Egg is found in the Great Tree. Petuni gives you one egg a day if you ask her the following puzzle: Who is Mario’s best friend? ‘.
Keel Keel Keel Mango
The Keel Keel Keel Mango can be found on Keelhaul Key. In the area where the blue warp pipe is located, you have to beat against this tree.
Whacka Kick
At the port of Keelhaul Key you can go even further up, at the end of the way you will find Whacka, hit him, and he drops a Whacka kick.
Peachy Princess Peach
A Peachy Princess Peach can be found in Twilight Town. Stay there at Toad House.
Cake Mix
In the playroom of Rogueport, you have to play a few mini-games so that you have enough coins, or you buy some. For 6 coins you can buy a cake mix.
Golden Leaf
Visit the Creepy Steeple again. If you go through the hallway to the left, you can spot a gap in the fence. As a narrow Mario you can walk through there and find a golden tree. Hit this one to get a Golden Leaf.
Hot dog
Fly to Glitzville and talk to the pig. This one sells for 10 coins hot dogs.
Hot Sauce
Do the job number code (2625) so that the representative sells you the hot sauce. You can buy them for 10 coins.