---
product_id: 658096437
title: "Book of Secrets 3D Wooden Puzzles for Adults - Mechanical 3D Puzzle Model Kit - Brain Teaser Puzzles for Adults, DIY Adult Craft Model Building Kits, Wood Puzzle Box, Gift Hobby Set"
brand: "ugears"
price: "€ 115.35"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/658096437-book-of-secrets-3d-wooden-puzzles-for-adults-mechanical-3d
store_origin: FI
region: Finland
---

# Steampunk book design with hidden gears Customizable 3-digit lock 263 laser-cut precision pieces Book of Secrets 3D Wooden Puzzles for Adults - Mechanical 3D Puzzle Model Kit - Brain Teaser Puzzles for Adults, DIY Adult Craft Model Building Kits, Wood Puzzle Box, Gift Hobby Set

**Brand:** ugears
**Price:** € 115.35
**Availability:** ✅ In Stock

## Summary

> 🔧 Unlock the art of intrigue with every gear turn!

## Quick Answers

- **What is this?** Book of Secrets 3D Wooden Puzzles for Adults - Mechanical 3D Puzzle Model Kit - Brain Teaser Puzzles for Adults, DIY Adult Craft Model Building Kits, Wood Puzzle Box, Gift Hobby Set by ugears
- **How much does it cost?** € 115.35 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/658096437-book-of-secrets-3d-wooden-puzzles-for-adults-mechanical-3d)

## Best For

- ugears enthusiasts

## Why This Product

- Trusted ugears brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Challenge Your Mind:** Medium difficulty build that sharpens focus and rewards patience with a stunning final model.
- • **Unlock Your Curiosity:** Custom 3-digit lock and hidden key create a secret compartment only you can access.
- • **Shelf-Worthy Statement:** A unique gift and conversation starter that elevates any desk, shelf, or reading nook.
- • **Precision in Every Piece:** 263 laser-cut parts ensure smooth gear movement and long-lasting mechanical function.
- • **Masterpiece of Mechanical Art:** Intriguing steampunk design merges engineering with elegant dual-tone wood aesthetics.

## Overview

UGEARS Book of Secrets is a sophisticated 3D wooden puzzle kit featuring 263 laser-cut pieces, a customizable 3-digit lock, and a hidden compartment. Designed with a captivating steampunk book aesthetic, it offers a medium-level mechanical build that combines artistry and engineering, perfect for adults seeking a rewarding brain teaser and a stylish display piece.

## Description

UGEARS Book of Secrets 3D Wooden Puzzles for Adults - Mechanical 3D Puzzle Model Kit - Brain Teaser Puzzles for Adults, DIY Adult Craft Model Building Kits, Wood Puzzle Box, Gift Hobby Set

## Features

- Intriguing Steampunk Design: This 3d puzzles for adults blends artistry and engineering - an adult puzzle styled as a book, with dual-tone wood and hidden gears for a stunning display
- Secure Your Secrets: Among the most clever model kits for adults, our 3-d puzzles features a customizable 3-digit lock, hidden key, and multi-step sequence to access the secret compartment
- Precision Craftsmanship: One of the most intricate DIY kits for adults, with 263 laser-cut pieces, wax and sandpaper for smooth gear movement and long-lasting mechanical function
- Engaging & Rewarding Build: One of the most captivating models for adults to build - this medium-difficulty project requires focus, patience and delivers a deeply satisfying result
- Perfect Gift & Conversation Piece: A standout among wooden 3d puzzles for adults, this mechanical book box stores small treasures and elevates any shelf, desk or reading nook

## Images

![Book of Secrets 3D Wooden Puzzles for Adults - Mechanical 3D Puzzle Model Kit - Brain Teaser Puzzles for Adults, DIY Adult Craft Model Building Kits, Wood Puzzle Box, Gift Hobby Set - Image 1](https://m.media-amazon.com/images/I/71Gou23sA+L.jpg)

## Questions & Answers

**Q: Any advice on assembly?**
A: Press parts from the side with thicker cut lines when removing them from pre-cut boards

**Q: Do I need any tools to assemble Ugears models?**
A: Everything needed for assembly is in the box

**Q: Spare and replacement parts for Ugears mechanical models**
A: Spare parts are included for components used multiple times.

**Q: What if I have more questions about assembling the models?**
A: You can check out the video instructions above

## Frequently Bought Together

- UGEARS Book of Secrets Puzzle Box - 3D Wooden Puzzles for Adults, Fun Wood Steampunk Combination-Lock - DIY Building Mechanical Model Kit for Fathers Day and Hobby Enthusiasts - 263 Pcs
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- Wood Trick Antique Lantern Luminous LED 3D Wooden Puzzles for Adults and Kids to Build - 2-Mode Lighting - Engineering DIY Project Mechanical 3D Puzzle Model Kits for Adults

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**Shop now:** [https://www.desertcart.fi/products/658096437-book-of-secrets-3d-wooden-puzzles-for-adults-mechanical-3d](https://www.desertcart.fi/products/658096437-book-of-secrets-3d-wooden-puzzles-for-adults-mechanical-3d)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-01-22*