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January 17, 2017 AT 6:34 pm

NEW GUIDE: John Park’s Mystery Box: The Freefall Deck @adafruit @johnedgarpark #adafruit

Presenting the Mystery Box: The Freefall Deck, the second guide in John Park’s Mystery Box series. This innocent looking deck of playing cards contains a secret puzzle. When it is tossed into the air, and achieves a state of freefall, it reveals a hidden, audio Morse code message…

Perfect for escape rooms, magic tricks, and other mysterious events — this seemingly innocuous, sealed deck of cards contains a secret. When the puzzle is solved, the deck is thrown in the air, tossed to a friend, or dropped a short distance. Freefall is detected by the Circuit Playground embedded within, and the Freefall Deck beeps a secret Morse code message.

By fitting a Circuit Playground and a battery into a deck of cards (or other small container), you can create a variety of tricky, interactive puzzles. Follow the guide to build your own, or use it as a launching off point for a puzzle of your own devising. Use in for your next mysterious event!

You’ll also learn the mischievous art of stealing into a sealed deck of cards without leaving a trace…

Perhaps you could hide the Freefall Deck inside your own magnetic Nautical Crate lockbox


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