🔐 Invent a Secret Code

Create a cipher that swaps letters for symbols, then write a secret message for a friend to crack. Keep the key hidden!

🧺 What you'll need

• Paper
• Pen

👣 Steps

1. Make a key that swaps each letter for a symbol or number.
2. Write your key on one piece of paper and keep it hidden.
3. Write a secret message using the code.
4. Give the message to a friend and let them try to crack it.

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