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Discover more adventures to build your skills in this area. Continue your learning journey with these hands-on experiences.
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Start with Caesar cipher and visual codes for ages 6-13. Get step-by-step introduction pathway, activities, and resources to teach cryptography at home.
December 3, 2025

Trailblazer / Innovator / ~2 hrs
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
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
Kids design a real secret-communication system inspired by modern cryptography. They’ll invent codes, test weaknesses, and share how their system holds up.