Alex's House: In the bookcase under the stairs
Exterior Factory: In a trash can inside a gray shipping container.
Wind Town: Behind '777' and the Record Stop.
Frankton: In the bottom left area you must "hair whip" all of the bushes.
Mall: Along the back wall in a trash can
Frankton Mountain: Top right hand corner past two bridges. In center chest In chest to the right. You need to use the cat to get it.
Mt. Town Cave: In the room where you blow up rocks and drop to the floor below.
Flagtown: On the right hand side after going through the little wooden posts.
Essentia Dungeon: Defeat the boss at the end of the dungeon.
Pawn Shop: Chapter 4, you'll only be able to purchase one of these and it'll cost you $149.99.