QR codes are now very easy to set up. The following site gives you a huge variety of tools and options for creating QR codes instantly:
QR codes can have all kinds of information stored in them, not just web links so why not create secret answers to written questions or treasure hunt type activities around your school site?
Pretty much all smart phones and portable devices which have an in-built camera can download a free QR reader – just search for one in your app store.
Have fun!
