Bicycle Cypher is inspired by the mysterious symbols and cryptography used by historical secret societies. The card backs and faces feature an encrypted message that collectors can decipher. A translation key is included on the ad cards inside the deck. This luxurious deck includes a luxurious, dark blue tuck, and the inside of the tuck is printed with an elegant key pattern. The intricate linework on the outside of the tuck is hot stamped in gold foil and is accented with embossing. For Ages 10 and up. WARNING: CHOKING HAZARD – Small Parts. Not for children under 3yrs.