Uncover secret operations and encrypt secret messages of your own. Double cross a double agent to double the fun in this cloak & daggar theme.
Create a cryptex to lock up valuable secrets, and make a parabolic mic for long distance listening.
Compete in a walkie talkie obstacle course, use a compass to find a hidden cache & sleuth whodunnit! Decipher a secret code & encode your own.
Explore modern art & architecture: Warhol's campbell soup cans and Frank Lloyd Wright's Civic Center.
You don't need a warrant to bug your friends with little sneaky bug bots. Craft a circuit & wear it! Write a secret message in invisible ink.