Americans have been innovators and inventors since the Declaration of Independence created a new country. Right-Brain Teasers is a collection of more than 150 photos and drawings of American inventions that followed. History buffs will love trying to figure out what these items were meant to do and how they worked. From the hand grenade fire extinguisher to the hand-powered "food processor, " these wild and wacky household inventions provided untold assistance to American households and now provide hours of fun guessing about their uses.
