CREATIVE PUZZLE GIFT BOX: Da Vinci Code Mini Cryptex Valentine's Day Interesting Creative Romantic Birthday Gifts for Her. To open the cryptex, you must unlock a six-digit code. There are 6 turntables on the cipher cylinder, and each turntable has 26 letters, which may be as many as 308915776 permutations and combinations of cryptex.PASSWORD SETTINGS: The default password is I LOVE U, you can also set your own password. We provide steps and tools to modify the password, which is very simple. You can play a detective game with your partner or children and provide different clues for the other party to analyze the password and get clues. This kind of puzzle game not only trains thinking ability, but also promotes your feelings.LOVE GIFT: Its unique password setting will add romance, fun and mystery to you. We will give you a pair The rings is to help you realize your wish. Of course, you can also exchange the gift for a necklace or other gifts. Cryptexes are the best gifts for her.MYSTERY: The default Puzzle Boxes is an excellent gift, the most interesting gift for friends, colleagues, children, parents, partners, etc. on Christmas, Halloween, New Year and other memorial days. Mysterious and surprising.You can play it as a puzzle box.