A packaging structure for packaging an object. The packaging structure includes an object receiving portion for receiving the object at least partially thereinto. A retaining assembly is provided for selectively retaining the object within the object receiving portion. The retaining assembly is operable between a non-retaining and a retaining configuration wherein the retaining assembly respectively allows and prevents removal of the object from the object receiving portion. A lock releasably locks the retaining assembly in the retaining configuration. The lock is operable between a locked configuration and a non-locked configuration for respectively selectively locking the retaining assembly in the retaining configuration and allowing the retaining assembly to be moved to the non-retaining configuration. The lock includes a puzzle that allows the lock to be operated from the locked configuration to the unlocked configuration upon the puzzle being solved. The puzzle includes an object accessory usable for operatively engaging the object and performing a predetermined accessory function thereof.