You can do this by using a program (such as MS Paint found under Accessories, or something like Photoshop). It’s also a cool birthday party themes idea to take the original text and flip it so that the writing is written backwards. Here you can see how Morse code works: Morse Code For a learning experience you can also choose an already known code for example Morse code. The day after you send them out, send the key to the code and that way the kid detectives will have to wonder for a little while what the invitations say before they can read them.

For example, make up a creative code and write the invitations in that code (example: $=H, %=L, *=O HELLO).

You’ll find many of the coolest ideas for a Spy Detective birthday party right here on this page, so get your scrolling finger ready and start sneaking down this page!įor the invitations of such Spy Detective birthday party themes, you can send puzzling information for the kids to solve. Here’s one of those birthday party themes you just can’t hide away from! It’s time to take the mystery out of party planning and head out for a Spy Detective birthday party!

Spy party ideas