There is a wonderful Liberty's Kids website that has a segment from the show called Now and Then which is great fun.
Welcome to the companion site for Liberty's Kids, an animated adventure television series for children ages 8-14, about three kids who, by working as reporters for Ben Franklin, bring to life the american revolution.
Activities and resources for the American Revolution
This is a site directed at kids about the american revolution.
Open-ended activities and interactive games that motivate students to explore American history. Explore the Revolutionary Archive of historical information and images that they can use
Link for biographies, Franklin, his inventions, government, etc.