PRINT + SHARE
Four posters. Four QR codes.
Each code opens its own interactive challenge and saves progress under the student's name.
Prepare your printed posters
These codes use this website's actual address automatically. Open this page on your published Cloudflare domain before printing so they scan to the live puzzles. Do not print QR codes while previewing on localhost.
Current site:
Print complete posters
Four A4 posters, each with its own QR code along the bottom.
Print QR labels only
For adding QR codes to posters you've already printed.