---
product_id: 642922300
title: "Fyearfly Hand Operated Crank Generator, Hand Crank Generator, Hand Crank Operated Power Generator, Mechanical Emergency Power Supply for Physics Teaching Demonstrations in the Classroom"
brand: "fyearfly"
price: "212 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/642922300-fyearfly-hand-operated-crank-generator-hand-crank-generator-hand-crank
store_origin: RO
region: Romania
---

# Fyearfly Hand Operated Crank Generator, Hand Crank Generator, Hand Crank Operated Power Generator, Mechanical Emergency Power Supply for Physics Teaching Demonstrations in the Classroom

**Brand:** fyearfly
**Price:** 212 Lei
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Fyearfly Hand Operated Crank Generator, Hand Crank Generator, Hand Crank Operated Power Generator, Mechanical Emergency Power Supply for Physics Teaching Demonstrations in the Classroom by fyearfly
- **How much does it cost?** 212 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/642922300-fyearfly-hand-operated-crank-generator-hand-crank-generator-hand-crank)

## Best For

- fyearfly enthusiasts

## Why This Product

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

## Description

Fyearfly Hand Operated Crank Generator, Hand Crank Generator, Hand Crank Operated Power Generator, Mechanical Emergency Power Supply for Physics Teaching Demonstrations in the Classroom

## Features

- High-quality material: made of a transparent plastic housing, students can clearly see the motor, gears and cables
- Easy to use: simply turn the handle, the generated power makes the bulb bright. The faster you turn the handle, the more power you generate.
- Crank hand generator: This hand grip generator allows connection to circuits. Unscrew the miniature bulb can be used with almost any experiment that requires up to 6.3 volts DC.
- Scientific teaching aid: Amazing portable power generator. Generate electricity without batteries. Ideal for demonstrations in physics lessons in the classroom. This science kit is perfect for demonstrating the conversion of mechanical to electrical energy.
- 【Service Guarantee】We strive to provide our customers with the best service. If you have a problem with this product, please contact us without hesitation and we will reply within 24 hours.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Fyearfly |
| Part number | Fyearflykahboun3ep |
| Item Weight | 180 g |
| Product Dimensions | 15 x 12 x 8 cm; 180 g |
| Item model number | Fyearflykahboun3ep |
| Size | default |
| Color | Defult. |
| Material | default |
| Power source type | manual winding |
| Voltage | 6.3 Volts |
| Wattage | 18.9 watts |
| Item Package Quantity | 1 |
| Special Features | Hand-crank mechanism for mechanical-to-electrical energy conversion and circuit connection |
| Included components | inc |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![Fyearfly Hand Operated Crank Generator, Hand Crank Generator, Hand Crank Operated Power Generator, Mechanical Emergency Power Supply for Physics Teaching Demonstrations in the Classroom - Image 1](https://m.media-amazon.com/images/I/51Zu6u1LOcL.jpg)
![Fyearfly Hand Operated Crank Generator, Hand Crank Generator, Hand Crank Operated Power Generator, Mechanical Emergency Power Supply for Physics Teaching Demonstrations in the Classroom - Image 2](https://m.media-amazon.com/images/I/71uUDASlYcL.jpg)
![Fyearfly Hand Operated Crank Generator, Hand Crank Generator, Hand Crank Operated Power Generator, Mechanical Emergency Power Supply for Physics Teaching Demonstrations in the Classroom - Image 3](https://m.media-amazon.com/images/I/612UmCsL-eL.jpg)
![Fyearfly Hand Operated Crank Generator, Hand Crank Generator, Hand Crank Operated Power Generator, Mechanical Emergency Power Supply for Physics Teaching Demonstrations in the Classroom - Image 4](https://m.media-amazon.com/images/I/61fiDtj2fiL.jpg)
![Fyearfly Hand Operated Crank Generator, Hand Crank Generator, Hand Crank Operated Power Generator, Mechanical Emergency Power Supply for Physics Teaching Demonstrations in the Classroom - Image 5](https://m.media-amazon.com/images/I/61cRNum-03L.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ro/products/642922300-fyearfly-hand-operated-crank-generator-hand-crank-generator-hand-crank](https://www.desertcart.ro/products/642922300-fyearfly-hand-operated-crank-generator-hand-crank-generator-hand-crank)

---

*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-01-24*