Jack-in-the-Box appears as a chest or other similar container, when a person picks up the box, it springs to life, opening up and capturing the person in question, keeping them trapped inside.  The person will apparently remain trapped inside, until the person whom the box belongs to releases them. 
Powers and Abilities
Jack-in-the-Box are known to either trap people inside themselves, or scare them away. The more powerful ones being able to devour several people at once.
- Jack-in-the-box is a popular children's toy. Its origin is thought to come from a tale of sealing a demon in a boot.