In Chapter 1 (Girl's Bedroom), you must find a mechanical doll part on a headless doll on the bed.
In the Puppet Storage area, you use scissors to cut a piece of rope to obtain a wick for the cannon. File: Puppet.Show.Souls.of.the.Innocent.CE.zip ...
To activate the projector in the Puppet Shop, you need the Mechanical Wing , the Parrot Head , and the Doll Part . In Chapter 1 (Girl's Bedroom), you must find
In the final stages, you need Logo Parts to open the back door in the Vault. In Chapter 1 (Girl's Bedroom)
If you are stuck on a specific puzzle or need a different item, checking the full Big Fish Games Walkthrough can provide step-by-step screenshots for every inventory "piece" in the game. Souls of the Innocent Collector's Edition Walkthrough