Zygalski sheets

A zygalski sheet is like a special paper that helps you hide secrets! You know how sometimes people send each other secret messages that no one else is supposed to read? Well, sometimes these messages are written in code and if you don't know what the code means, you can't read the message. That's where the zygalski sheet comes in handy!

Imagine you have a secret message written in code, but you don't know the code. Now, you want to figure out what the message says, right? The zygalski sheet can help you with that. You take the zygalski sheet and put it over the secret message. The zygalski sheet has a bunch of little holes in it that are organized in a specific pattern. When you put the sheet over the message, some of the letters in the message will show up in the holes while the others don't.

Now, this is where it gets a little tricky. You need to have another sheet that has the same pattern of holes as the first one (imagine having two sheets of paper that have the same holes in them). You put one of the sheets over the message and then move the second sheet around until the holes line up with the letters you can see. Once you get the sheets to line up, you should be able to read the secret message!

So, basically, a zygalski sheet is like a special paper that helps you uncover secret messages that are hidden in code. It's like a secret detective tool that helps you solve mysteries!