Trailblazer / Innovator / ~2 hrs
The Puzzle of the Whispering Wallet
Kids invent a secret-message system inspired by digital wallets, QR codes, and modern encryption. A creative cryptography challenge with real-world connections.
Trailblazer / Innovator / ~2 hrs
The Vault with a Thousand Keys
Invent a cryptography system inspired by how real messages stay safe online. Kids design, test, and share a code challenge others can try to crack.
Trailblazer / Innovator / ~2 hrs
The Secret Signal Society
Kids design a real secret-communication system inspired by modern cryptography. They’ll invent codes, test weaknesses, and share how their system holds up.
