April School Vacation Week: Spies, Ciphers, and Secret Codes
April 18, 2026, 9:30 am - April 26, 2026, 4:30 pm
Discovery Center 110 Old Main Street Deerfield, MA 01342 + Google Map
Category: Hands-On
Spies, Ciphers, and Secret Codes
Dates: April 18–20, 22–26 (the Discovery Center is closed Tuesday, April 21)
Time: 9:30 a.m.–4:30 p.m.
Location: Discovery Center (formerly the History Workshop)
Admission: Included with general admisison. Admission will be free on April 23, courtesy of the Highland Street Foundation.
During the American Revolution, spies used methods like invisible ink and secret codes to carry important information. Visit the Discovery Center during April School Vacation Week to learn about these techniques and try some of them yourself. Write your own secret message to bring home! Children must be accompanied by an adult.
Visitor Information
Parking: Visitors can Park behind Hall Tavern and walk north to the Discover Center. There will also be limited parking on the north end of Old Main Street closer to the Discovery Center.