Jack in the Box 
To dream of a Jack in the Box suggests that although you may be expecting to hear some news you will still have a strong reaction to it. A closed Jack in the Box implies that you may have been attempting to conceal your emotional reaction to recent news. You are being reminded of the power of truth and that although you may think you are helping, a genuine response is more satisfying to everyone involved.
Box
To dream about a box represents natural desires or devastating urges. You could also be attempting to guard some other area of your life. A box is also symbolic of restraints or deterrents.
To dream about opening a box signifies that aspects about yourself that were covered or guarded are being opened to the world. Think about how you feel as you open the box. If it causes you trepidation, you could be revealing parts of you that cause you anxiety.
Jack
To dream of a jack implies that you are experiencing disharmony with an aspect, issue, or situation. It may also represent someone you associate with whose name is 'Jack.'
Jacks
To dream of playing jacks by yourself shows that an inward focus may be beneficial for you at this time. To dream of playing jacks with another is a sign that although it may be rewarding to combine your energies to complete a project, you will still need to be slightly selfish in order to obtain the desired result. To dream of a jack rolling or bouncing away implies a need to settle yourself and remember to breathe deeply before tackling each section of a current project.
Jackal
To dream of a jackal is a symbol of influence and control. You have a habit of using others for your own benefit without any thought of their welfare.
Jacket
To dream of a jacket is a symbol of the impression you wish to give others. It may also signify your tendency to be cynical and suspicious. You should use caution with your actions or you may risk pushing others away and repress your emotions. Pay attention to the look, color, and texture of the jacket as this can hold more meaning.
Boxcar
To dream about a boxcar or cable car foretells that you will earn enough money to live as you wish.
Boxing
A dream in which you are boxing indicates that strife is churning inside you, and that you are not adequately expressing your feelings. You might not be living up to your potential.
Jackdaw
To dream of a jackdaw represents possible hardship, confrontation, and sickness that you or someone you know will experience.
Theater
To dream about being in a theater means that pleasure will come from impending friendships. Think about how what's onstage mirrors things in your daily living. See how the actors' roles relate to you. Maybe you're assuming a different guise.
To dream that you are laughing or clapping in a theater means that you want to have fun now, instead of concentrating on future success.
To dream about a fire in a theater indicates that you are gambling when taking on fresh endeavors.
Toy Box
To dream of a toy box symbolizes growing up. You are moving forward and leaving childish ways behind. Alternatively, the dream may bring to mind childhood traumatic experiences and bitter encounters that keep pulling you back.