---
product_id: 50268915
title: "6V Hand Crank Dynamo Generator DIY Mechanical Motor Reduction Gear Box"
brand: "yjz"
price: "¥659"
currency: JPY
in_stock: true
reviews_count: 1
url: https://www.desertcart.jp/products/50268915-6v-hand-crank-dynamo-generator-diy-mechanical-motor-reduction-gear
store_origin: JP
region: Japan
---

# 6V output Reduction gear DIY assembly 6V Hand Crank Dynamo Generator DIY Mechanical Motor Reduction Gear Box

**Brand:** yjz
**Price:** ¥659
**Availability:** ✅ In Stock

## Summary

> 🔋 Unleash Your Inner Engineer with Every Turn!

## Quick Answers

- **What is this?** 6V Hand Crank Dynamo Generator DIY Mechanical Motor Reduction Gear Box by yjz
- **How much does it cost?** ¥659 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/50268915-6v-hand-crank-dynamo-generator-diy-mechanical-motor-reduction-gear)

## Best For

- yjz enthusiasts

## Why This Product

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

## Key Features

- • **Torque Mastery:** Experience enhanced torque for all your DIY needs.
- • **No Assembly Hassle:** Get started right away—no assembly required!
- • **Solo Learning Tool:** Perfect for individual educational projects in literacy and spatial awareness.
- • **Power Up Your Projects:** Generate 6V of electricity with a simple hand crank!
- • **Versatile Functionality:** Switch between generator and reduction gear box effortlessly.

## Overview

The 6V Hand Crank Dynamo Generator is a versatile DIY tool that allows users to generate electricity or function as a reduction gear box. With a focus on educational objectives like literacy and spatial awareness, this generator is perfect for solo projects and requires no assembly, making it an ideal choice for hands-on learning.

## Description



## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer reference | GYJZ156 |
| Educational Objective(s) | Literacy & Spacial Awareness |
| Number of Game Players | 1 |
| Assembly Required | No |
| ASIN | B075N9FCKN |

## Images

![6V Hand Crank Dynamo Generator DIY Mechanical Motor Reduction Gear Box - Image 1](https://m.media-amazon.com/images/I/41oCcqouWXL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fun item
*by R***X on 2 November 2018*

Bought for a bit of fun, I connected a usb socket and it is possible to charge a mobile phone with a lot of cranking.

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**Shop now:** [https://www.desertcart.jp/products/50268915-6v-hand-crank-dynamo-generator-diy-mechanical-motor-reduction-gear](https://www.desertcart.jp/products/50268915-6v-hand-crank-dynamo-generator-diy-mechanical-motor-reduction-gear)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-03*