Day camp affords kids a look at 18th-century life . Each summer, youngsters ages 9 to 12 have the opportunity to spend a week in the ranks of Gen. George Washington's army. History becomes a personal experience for those who take part in the Old Barracks Summer Day Camp at the Old Barracks Museum in Trenton. Children at the day camp participate in indoor and outdoor activities that re-create life in the 18th century. Campers muster into Gen. George Washington's Continental Army on the Old Barracks parade grounds, used more than 200 years ago by British, Hessian and Continental soldiers,...