Chewing Gum + AA Battery = Fire Starter - Tear a Foil-Backed Wrapper Into an Hourglass Shape. Touch the Foil to the Positive and Negative Battery Terminals. The Electrical Current will Cause the Wrapper to Ignite and Light a Candle or Tinder.
Turn Your Phone Into a Projector. Get an old shoe box cut a hole put a magnifying glass in it put your phone however close or far you want to make the picture on the wall big or small And watch whatever movie you want ;