Ugears: Mechanical Models - Book of Secrets

Keep your notes, small treasures, or personal items safe from prying eyes with the Book of Secrets—a cleverly designed mechanical puzzle box that looks like an ordinary book on the outside.

Books have long been used to conceal valuables, both in fiction and real life. From hollowed-out novels on a bookshelf to iconic scenes in films like The Matrix and The Shawshank Redemption, hiding something in a book is a time-tested way to keep secrets tucked away in plain sight.

To open your Book of Secrets, enter a three-digit combination on the spine to release a hidden key. Insert the key into the slot and turn it counterclockwise to unlock the mechanism, then rotate the gears to open the book. If you forget the combination, don’t worry -you can still open it by removing the back panel or carefully cracking the code by feel.

More than just a storage box, the Book of Secrets is an engaging puzzle. With its intricate mechanisms and layered unlocking process, it’s both a secure hideaway and a fun challenge to share with friends or family. Will they be able to solve it?

Beautifully designed and full of surprises, this mechanical book adds a touch of mystery to your shelf—and a clever way to keep your secrets hidden.

Level: Intermediate
Estimated time for assembly: 6 hours
Number of components: 263
Model size: 170 x 187 x 70mm

For ages 14 years