---
product_id: 494295545
title: "ONE TO FOUR Brain Teaser Puzzle, Cast Metal Disentanglement Puzzle, Interlocking Unlock IQ Test for Adults Kids, Mind Games for Entertainment, Puzzle Gifts for Children, 4C"
brand: "one to four"
price: "¥203"
currency: JPY
in_stock: false
reviews_count: 8
url: https://www.desertcart.jp/products/494295545-one-to-four-brain-teaser-puzzle-cast-metal-disentanglement-puzzle
store_origin: JP
region: Japan
---

# Portable & screen-free focus Durable cast metal build Logic & creativity boost ONE TO FOUR Brain Teaser Puzzle, Cast Metal Disentanglement Puzzle, Interlocking Unlock IQ Test for Adults Kids, Mind Games for Entertainment, Puzzle Gifts for Children, 4C

**Brand:** one to four
**Price:** ¥203
**Availability:** ❌ Out of Stock

## Summary

> 🧩 Crack the code, join the brainy elite!

## Quick Answers

- **What is this?** ONE TO FOUR Brain Teaser Puzzle, Cast Metal Disentanglement Puzzle, Interlocking Unlock IQ Test for Adults Kids, Mind Games for Entertainment, Puzzle Gifts for Children, 4C by one to four
- **How much does it cost?** ¥203 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/494295545-one-to-four-brain-teaser-puzzle-cast-metal-disentanglement-puzzle)

## Best For

- one to four enthusiasts

## Why This Product

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

## Key Features

- • **Screen-Free Focus Booster:** Perfect handheld puzzle to sharpen concentration without digital distractions.
- • **Universal Fun for All Ages:** A timeless gift that bridges generations, perfect for kids, adults, and social gatherings.
- • **Unlock Your Mind’s Potential:** Challenge your logic and spark creativity with every twist.
- • **Stress Relief Meets Entertainment:** Keep your hands busy and your mind relaxed—ideal for work breaks or parties.
- • **Built to Last, Designed to Impress:** Crafted from thick, non-toxic cast metal for years of brain-teasing fun.

## Overview

The ONE TO FOUR Brain Teaser Puzzle is a compact, cast metal disentanglement game designed to enhance logic, creativity, and hand-eye coordination. Portable and screen-free, it offers a durable, safe, and engaging challenge suitable for all ages, making it an ideal gift and stress-relief tool.

## Description

Full description not available

## Features

- 【Logic-Testing and Creativity-Cultivating】With this simple but mystery-hidden brain puzzle, you can experience the flavor of logic and cultivate your creativity. This simple but cool brain game is perfect for idling time, fidgeting. It’s a handheld tiny game for you, no need to use any electronics or too much physical strength. A healthier way to practice focus and concentration.
- 【Brain Games and Eyes Relaxing】This mind puzzle is good for eyes training and hand coordination skills. Through using your hands to play this puzzle, your problem-solving skills and mind-storming skills will be improved. At the same time, it can sharpen your mind. Further, it’s also a perfect way to release stress and keep your brain focused and hands busy.
- 【Good Choice for Party Entertainment】Such a fun brain teaser puzzle perfectly fits for party favors goody bags, Christmas stockings. If you are annoyed with preparing gifts for friends or kids, then this puzzle is timely rain for you to consider. Suitable for men and women, boys and girls.
- 【Sturdy and Safe】Made of thick and durable metal material, which can keep this puzzle intact, providing years of duration. The non-toxic material and no sharp or cut edges, avoiding any potential danger in operation.
- 【Attention and Warning】Kids under 3 years old should be kept away from this puzzle. And if you get confused during gaming, then you are welcome to contact us and we’ll provide you with detailed instructions

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Package Dimensions | 9 x 6 x 3.8 cm; 120 g |
| Manufacturer reference | YZWJ-4 |
| Educational Objective(s) | Memory Skill, Creative Thinking, Color Recognition |
| Number of Game Players | 1 |
| Number of Puzzle Pieces | 1 |
| Batteries Required? | No |
| Material Type(s) | Metal |
| Color | 4C |
| ASIN | B0BKZN21VQ |

## Product Details

- **Brand:** ONE TO FOUR
- **Puzzle type:** Disentanglement
- **Number of pieces:** 1
- **Material:** Metal
- **Educational objective:** Memory Skill, Creative Thinking, Color Recognition

## Images

![ONE TO FOUR Brain Teaser Puzzle, Cast Metal Disentanglement Puzzle, Interlocking Unlock IQ Test for Adults Kids, Mind Games for Entertainment, Puzzle Gifts for Children, 4C - Image 1](https://m.media-amazon.com/images/I/71cFCKwo3QL.jpg)
![ONE TO FOUR Brain Teaser Puzzle, Cast Metal Disentanglement Puzzle, Interlocking Unlock IQ Test for Adults Kids, Mind Games for Entertainment, Puzzle Gifts for Children, 4C - Image 2](https://m.media-amazon.com/images/I/61IqoLV14qL.jpg)
![ONE TO FOUR Brain Teaser Puzzle, Cast Metal Disentanglement Puzzle, Interlocking Unlock IQ Test for Adults Kids, Mind Games for Entertainment, Puzzle Gifts for Children, 4C - Image 3](https://m.media-amazon.com/images/I/81cCSNnB2vL.jpg)
![ONE TO FOUR Brain Teaser Puzzle, Cast Metal Disentanglement Puzzle, Interlocking Unlock IQ Test for Adults Kids, Mind Games for Entertainment, Puzzle Gifts for Children, 4C - Image 4](https://m.media-amazon.com/images/I/71imAQhK-PL.jpg)
![ONE TO FOUR Brain Teaser Puzzle, Cast Metal Disentanglement Puzzle, Interlocking Unlock IQ Test for Adults Kids, Mind Games for Entertainment, Puzzle Gifts for Children, 4C - Image 5](https://m.media-amazon.com/images/I/718s1ZZ4PIL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great fun
*by H***K on 15 December 2021*

The material is metal and strong. The puzzle initially seems hard if you don't know about it. But once you know the trick, it becomes easy yet interesting and fun.Good for keeping one entertained.

### ⭐⭐⭐ It’s easy
*by A***D on 17 August 2023*

Good for kids to play

### ⭐⭐⭐⭐⭐ النوعية ممتازة
*by J***A on 24 March 2025*

النوعية ممتازة

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-31*