Use your code cracking skills to work out the punchlines to five Christmas cracker jokes that have been encrypted as secret messages. Each letter is coded using the grid shape surrounding it.
You can also have a go at encrypting your own secret messages, using our Cryptography resource developed by the Open University, with five different ciphers to choose from.
Three Christmas tongue twisters have been encrypted as secret messages, using Pigpen Cipher. Can you crack the code?. Each letter is coded using the grid shape surrounding it.
You can also have a go at encrypting your own secret messages, using our Cryptography resource developed by the Open University, with five different ciphers to choose from.
It is almost time for the RSPB Big Schools’ Bird Watch – the largest citizen science project for schools across the UK. Sign up to take part, from 6th January- 13th February 2026.
We've pulled together all our seasonal resources from the last three years, and thrown in a few new ones too, so that you can create your own Christmas Holiday Countdown depending on age, ability and preferences. With games, puzzles, art and craft activities to choose from, as well as our interactive puzzle mystery story.
