---
product_id: 159369987
title: "Brain Teaser Puzzle 20Pcs Unlock Interlock Game IQ Test Wooden Toy 3D Unlock Interlock Puzzle Magic Ball Brain Teaser Toy Puzzles for Adults"
brand: "lflq"
price: "€ 51.85"
currency: EUR
in_stock: true
reviews_count: 8
category: "Lflq"
url: https://www.desertcart.nl/products/159369987-brain-teaser-puzzle-20pcs-unlock-interlock-game-iq-test-wooden
store_origin: NL
region: Netherlands
---

# No-cheat interlock design 20-piece brain challenge Durable wooden & metal build Brain Teaser Puzzle 20Pcs Unlock Interlock Game IQ Test Wooden Toy 3D Unlock Interlock Puzzle Magic Ball Brain Teaser Toy Puzzles for Adults

**Brand:** lflq
**Price:** € 51.85
**Availability:** ✅ In Stock

## Summary

> 🧩 Crack the code, join the elite brain club!

## Quick Answers

- **What is this?** Brain Teaser Puzzle 20Pcs Unlock Interlock Game IQ Test Wooden Toy 3D Unlock Interlock Puzzle Magic Ball Brain Teaser Toy Puzzles for Adults by lflq
- **How much does it cost?** € 51.85 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/159369987-brain-teaser-puzzle-20pcs-unlock-interlock-game-iq-test-wooden)

## Best For

- lflq enthusiasts

## Why This Product

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

## Key Features

- • **Cheat-Proof Challenge:** Ingenious interlock mechanism ensures pure skill, no shortcuts allowed.
- • **Premium Craftsmanship:** Heavy-duty 4.5 stainless steel and smooth wooden pieces built to last and impress.
- • **Unlock Your Mental Edge:** 20 intricate puzzles that sharpen logic and creativity with every twist.
- • **Screen-Free Focus Booster:** Perfect antidote to digital fatigue—train your brain anywhere, anytime.
- • **The Ultimate Social Icebreaker:** Ideal for parties, office breaks, or gifting—ignite conversations and friendly competition.

## Overview

This 20-piece Brain Teaser Puzzle set combines traditional wooden 3D puzzles and heavy-duty stainless steel interlock games designed to enhance logic, patience, and focus. Originating from the ancient Kong Ming Lock, these no-cheat puzzles offer a durable, screen-free way to challenge minds of all ages, making them perfect for social gatherings, gifts, and personal brain training.

## Description

Features: ●The puzzles look simple,but contain lots of mysteries. They are easy to disassemble but difficult to assemble. ●Train brains.It can make your brain sharper, develop intelligence, Challenge your mind and patience. ●Have parties.Take this set of brain teaser to share with your friends, families or colleagues. ●These puzzles can get children away from phones or other electric device. Package Include: 16 x Metal Puzzle 4 x Wooden 3D Puzzle Cautions: 1.Children must be used it under the adult's tutelage. 2.Do not drop them on the floor or the desk. 3.Do not play with them if there is any issue. 4.Do not keep the toy in the mouth to prevent children devour small parts in the toy.

Review: Fun gathering brain teaser games - These mini brain teasers are awesome. I brought them to our Xmas gathering and all from 23 - 65 yrs old were intrigued
Review: Great gift! - Great gift idea! Metal and wood options. Comes as shown. Great price!

## Features

- Test logic and creative minds with this cool yet simple brain teaser. These brain games are perfect for passing time, fidgeting, and avoiding gadgets and electronics. They’re a healthier way to practice focus and concentration. Can also be used for fun party games.
- Wooden 3D brain teaser puzzle toy originated from ancient China which called Kong Ming Lock. Wooden game with interesting logical thinking and perfect for development of brain.
- Metal coils are smooth and has NO SHARP EDGES for endless play without getting hurt. The links are made from heavy duty 4.5 stainless steel that doesn’t easily bend or break even when thrown or stepped on. Players can’t force them open so there is no chance of cheating.
- Perfect gift - For every occasion! for Christmas gifts, office gifts, etc. 3D brain teaser can take anywhere.
- if you are not completely satisfied with your IQ Test Toy,simply let us know and we'll give you a satisfactory solution. For a risk-free purchase click "Add to cart"

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07X2QTM94 |
| Best Sellers Rank | #26,119 in Toys & Games ( See Top 100 in Toys & Games ) #51 in Assembly & Disentanglement Puzzles |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,880) |
| Item Weight | 14.4 ounces |
| Item model number | 10066 |
| Manufacturer | long fa |
| Manufacturer recommended age | 3 years and up |
| Package Dimensions | 7.72 x 7.6 x 2.05 inches |

## Images

![Brain Teaser Puzzle 20Pcs Unlock Interlock Game IQ Test Wooden Toy 3D Unlock Interlock Puzzle Magic Ball Brain Teaser Toy Puzzles for Adults - Image 1](https://m.media-amazon.com/images/I/51Cs-bO7hnL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fun gathering brain teaser games
*by I***Y on December 27, 2025*

These mini brain teasers are awesome. I brought them to our Xmas gathering and all from 23 - 65 yrs old were intrigued

### ⭐⭐⭐⭐⭐ Great gift!
*by T***8 on December 27, 2025*

Great gift idea! Metal and wood options. Comes as shown. Great price!

### ⭐⭐⭐⭐ Engaging
*by L***S on December 30, 2025*

Fun stocking stuffers, plenty to share

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.nl/products/159369987-brain-teaser-puzzle-20pcs-unlock-interlock-game-iq-test-wooden](https://www.desertcart.nl/products/159369987-brain-teaser-puzzle-20pcs-unlock-interlock-game-iq-test-wooden)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-25*