---
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: "535.34 DT"
currency: TND
in_stock: true
reviews_count: 13
category: "Ugears"
url: https://www.desertcart.tn/products/658096437-book-of-secrets-3d-wooden-puzzles-for-adults-mechanical-3d
store_origin: TN
region: Tunisia
---

# 263 precision laser-cut pieces Customizable 3-digit lock & secret compartment Smooth gear movement with wax & sandpaper 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:** 535.34 DT
**Availability:** ✅ In Stock

## Summary

> 🔍 Unlock the art of secrets with every twist and 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?** 535.34 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/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

- • **Mindful Mastery:** Medium difficulty level perfect for focused adults craving a rewarding brain teaser experience.
- • **Unlock Your Curiosity:** Engage with a clever 3-digit lock and hidden key—because secrets deserve style and challenge.
- • **Precision-Crafted Challenge:** 263 laser-cut pieces ensure a satisfying build with smooth, long-lasting mechanical function.
- • **Intricate Steampunk Elegance:** A dual-tone wooden masterpiece blending art and engineering for your desk or shelf.
- • **Gift-Worthy Conversation Starter:** A unique keepsake box that stores your treasures and sparks intrigue in any social setting.

## Overview

The UGEARS Book of Secrets is a sophisticated 3D wooden puzzle kit featuring 263 laser-cut pieces, a customizable 3-digit lock, and smooth mechanical gears treated with wax and sandpaper. Designed for adults, this medium-difficulty brain teaser doubles as a stylish steampunk-inspired keepsake box, perfect for gifting or elevating your workspace with a touch of mystery and craftsmanship.

## Description

Buy 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: 3-D Puzzles - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Utterly incredible - This is one of the finest artifacts of human ingenuity that I have ever had the pleasure of experiencing. Not only is this stupendously clever in its design, great fun to assemble, and also extremely well engineered (especially given it is made out of wood!)... but it is also a wonderfully entertaining and genuinely useful keepsake for a child to keep their secret things safe :)
Review: Book - Enjoyed! Great!

## 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D9KZ13Z7 |
| Additional Features | Portable |
| Age Range Description | Adult |
| Best Sellers Rank | #83,961 in Toys & Games ( See Top 100 in Toys & Games ) #437 in 3-D Puzzles #483 in Brain Teaser Puzzles |
| Brand Name | UGEARS |
| Color | Dark and Light Wood |
| Customer Reviews | 4.4 out of 5 stars 317 Reviews |
| Educational Objective | Brain Teaser, Hand-Eye Coordination, Logical Thinking |
| Included Components | Plywood, metal spring fabric, sand paper, candle wax |
| Indoor Outdoor Usage | Indoor |
| Item Dimensions | 7.36 x 6.69 x 0.04 inches |
| Item Dimensions L x W | 7.4"L x 6.7"W |
| Item Shape | Book |
| Item Type Name | 3D wooden puzzle for adult |
| Item Weight | 305 g |
| Manufacturer | UGEARS |
| Manufacturer Maximum Age (MONTHS) | 1200 |
| Manufacturer Minimum Age (MONTHS) | 168 |
| Manufacturer Part Number | 70265 |
| Manufacturer Warranty Description | No Warranty |
| Material Type | Engineered Wood |
| Model Number | 4820184122321 |
| Number of Items | 1 |
| Number of Pieces | 263 |
| Number of Players | 1 |
| Operation Mode | Manual |
| Play Activity Location | Tabletop |
| Power Source | Manual |
| Puzzle Type | 3D Puzzle |
| Set Name | Book of Secrets |
| Size | 3.82 x 2.6 x 3.86 inches |
| Skill Level | Medium |
| Subject Character | The DaVinci Code |
| Theme | Book |
| Unit Count | 263 Count |

## 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 Check and sand gears for burrs to prevent jamming Wax all moving parts for smoother operation Stretch rubber bands to fit them into small openings

**Q: Do I need any tools to assemble Ugears models?**
A: Everything needed for assembly is in the box Ugears models don’t need extra tools or glue If you prefer, you can use your own tools A modeling knife can help with removing pieces or smoothing, but we provide punch pieces and sandpaper for these tasks

**Q: Spare and replacement parts for Ugears mechanical models**
A: Spare parts are included for components used multiple times. If you break any unique pieces, you can request free replacements, and we’ll send them to you at no cost.

**Q: What if I have more questions about assembling the models?**
A: You can check out the video instructions above If you have any questions, feel free to reach out via email The Ugears Service Team will be happy to provide tips, explanations, troubleshooting, or other help with the assembly

## Customer Reviews

### ⭐⭐⭐⭐⭐ Utterly incredible
*by I***D on August 19, 2025*

This is one of the finest artifacts of human ingenuity that I have ever had the pleasure of experiencing. Not only is this stupendously clever in its design, great fun to assemble, and also extremely well engineered (especially given it is made out of wood!)... but it is also a wonderfully entertaining and genuinely useful keepsake for a child to keep their secret things safe :)

### ⭐⭐⭐⭐⭐ Book
*by R***. on May 9, 2026*

Enjoyed! Great!

### ⭐⭐⭐⭐⭐ Book it!
*by T***W on May 15, 2025*

This is a fun little kit. It's a great way to spend a couple of enjoyable evenings. The finished kit is very nice and works quite well. It is decorative, not an actual "safe". But makes a nice conversation piece on the bookshelf or coffee table.

## 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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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-06*