Cryptography
Activities for Kids
Create secret codes by designing hidden messages, breaking mysterious ciphers, and protecting important information from prying eyes everywhere.
Create secret codes by designing hidden messages, breaking mysterious ciphers, and protecting important information from prying eyes everywhere.
Kubrio is a studio of apps that develop agency in kids — the drive to create, lead, and figure things out on their own. See what we're building.
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.
Explorer / Beginner / ~1 hrs
Hide a secret password inside a map of clues, design puzzles and symbols, and challenge friends to decode your treasure trail and find the hidden word.
Pathfinder / Beginner / ~1 hrs 30 mins
Design dog-themed secret 'pawcodes'—hide messages, crack puzzles, and build a playable code-game inspired by chess strategy and gamer instincts.
Explorer / Beginner / ~30 mins
Crack the hidden Caesar cipher in this playful quest! Uncover a cheerful message behind 'KHOOR ZRUOG' and enjoy a bit of secret code fun.
Explorer / Beginner / ~1 hrs
Uncover the art of hidden messages with beautiful secret codes. Create stunning encrypted artwork using colors, patterns, and special symbols!
Pathfinder / Builder / ~1 hrs
Embark on a daring Spartan messenger mission! Craft your own scytale cipher and deliver secret orders while dodging enemy spies.