hidden items are in quite a few places mostly in corners or in flowers invisible and you can walk through then so they its tricky to thing exact locations but the first one is next to Mr Pokemon's house in the flowers its a potion.
You can't That comes in Pokemon Gold Silver + Crystal
In the underground
Some hidden items are in the Safari Zone as well as some Pokemon.
stand on the"x" then step back a space point at the hidden items spot and press "a"
that's how you find hidden items
Youuse it to find hidden items.
it allows u to find hidden (invisible) items
There are secret items hidden in Petalburg City and Route 104 (1st Part). Some of the hidden items are rare candy and heart scales.
he is hidden in the cave beside the ghost gym you will need an empty Pokemon slot.
No there are other hidden secret items in Club Penguin in the Catalogs.
yes you give the item to a Pokemon and clone the Pokemon just look up how to clone Pokemon on Pokemon crystal in yahoo or something i wouldn't recommend doing it though because it can mess up your game or the Pokemon if you do it wrong
they are little machines that helps you find hidden items