In this exciting program, children will learn how Revolutionary era spies used codes, dead drops and ciphers to convey military intelligence.  Children will follow clues to find a secret message from General Washington hidden on the trails of Liberty Hall! They will learn how to use the pig-pen code and also discover the important role women played as spies during the American Revolution.  Afterwards, everyone will create and take home a secret code book! Light refreshments will be served.  Recommended for ages 6 – 10.