Do you want to know a secret? Speaking or writing in code with your grandchildren isn’t just a fun way to pass the time—it’s a wonderful activity for building their social and abstract thinking skills. And it’s a great way to bond.

So the next time you and the kids get together with secrets to share, try using one of these six clandestine languages or ciphers. They’re easy to learn, appropriate for all ages, and just plain fun.

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|November 12, 2012