---
product_id: 7091802
title: "Magnet Source Magnetic Field Viewer Card (Pack of 1)"
brand: "master magnetics"
price: "10934CFA"
currency: XOF
in_stock: true
reviews_count: 8
url: https://www.desertcart.sn/products/7091802-magnet-source-magnetic-field-viewer-card-pack-of-1
store_origin: SN
region: Senegal
---

# Compact 2.5" x 4" laminated card Includes clear step-by-step instructions 2 x 1.25" magnetic viewing strip Magnet Source Magnetic Field Viewer Card (Pack of 1)

**Brand:** master magnetics
**Price:** 10934CFA
**Availability:** ✅ In Stock

## Summary

> 🧲 Unlock the unseen world of magnetism—carry science in your pocket!

## Quick Answers

- **What is this?** Magnet Source Magnetic Field Viewer Card (Pack of 1) by master magnetics
- **How much does it cost?** 10934CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/7091802-magnet-source-magnetic-field-viewer-card-pack-of-1)

## Best For

- master magnetics enthusiasts

## Why This Product

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

## Key Features

- • **Trusted Since 1976:** Crafted by Magnet Source, a leader in magnetic innovation and education.
- • **Pocket-Sized STEM Power:** Compact, durable laminated card fits right in your wallet or toolkit.
- • **Share the Magnetic Magic:** Ideal for classrooms, workshops, and professional diagnostics—don’t get left behind!
- • **Hands-On Magnetic Learning:** Perfect for educators and curious pros to demonstrate real-world magnetism.
- • **Visualize Invisible Forces:** Instantly reveal magnetic poles with precision viewing film.

## Overview

The Magnet Source Magnetic Field Viewer Card is a durable, laminated 2.5" x 4" plastic card featuring a 2 x 1.25" strip of specialized viewing film that reveals the location and number of poles on permanent magnets. Designed for educators, STEM enthusiasts, and professionals, it offers a hands-on, visual approach to understanding magnetic fields, backed by clear instructions and trusted Magnet Source quality since 1976.

## Description

The Magnet Source Magnetic Field Viewer Card contains a 2 x 1.25" strip of viewing film to reveal the location and number of poles on a permanent magnet. The laminated card measures 2.5" x 4" and contains instructions and film.Science education products incorporate applied math and science principles into classroom and homeschool-based projects. Teachers in pre-K, elementary, and secondary classrooms use science education kits and products alongside science, technology, engineering, and math (STEM) curriculum to demonstrate STEM concepts and real-world applications through hands-on activities. Science education projects include a broad range of activities, such as practical experiments in engineering, aeronautics, robotics, energy, chemistry, physics, biology, and geology.Master Magnetics manufactures and distributes magnets for use in educational, commercial, and industrial environments under the Magnet Source brand. Founded in 1976, the company is headquartered in Castle Rock, Colorado.

Review: great product, works really well. - great product, works really well. I used for a service class and passed on the link where to buy it to my service class so it can be used to find damage to an magnetic encoder strip we use on our products.
Review: Handy to see what items are magnatized - It was interesting seeing different magnetic items with this. It's not very effective with weak magnets though, as would be expected. This is just for those who are as curious as I am and just like to see how things work! :)

## Features

- Plastic
- Card contains a 2 x 1.25" strip of viewing film to reveal the location and number of poles on a permanent magnet
- 2.5" x 4" laminated card contains instructions and film

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Best Sellers Rank | #219,818 in Office Products ( See Top 100 in Office Products ) #718 in Index Cards |
| Brand | Master Magnetics |
| Color | ['White + Green'] |
| Customer Reviews | 4.2 out of 5 stars 198 Reviews |
| Manufacturer | Magnet Source |
| Material | Plastic |
| Shape | Rectangular |
| Size | 2.5" x 4" |

## Product Details

- **Brand:** Master Magnetics
- **Color:** ['White + Green']
- **Global Trade Identification Number:** 00095421005635
- **Manufacturer:** Magnet Source
- **Material:** Plastic
- **Number of Pieces:** 1
- **Shape:** Rectangular
- **Size:** 2.5" x 4"
- **UPC:** 095421005635
- **Unit Count:** 1.0 Count

## Images

![Magnet Source Magnetic Field Viewer Card (Pack of 1) - Image 1](https://m.media-amazon.com/images/I/715ZUAGU-UL.jpg)
![Magnet Source Magnetic Field Viewer Card (Pack of 1) - Image 2](https://m.media-amazon.com/images/I/811+HJDR+fL.jpg)
![Magnet Source Magnetic Field Viewer Card (Pack of 1) - Image 3](https://m.media-amazon.com/images/I/81eTTrSaVOL.jpg)
![Magnet Source Magnetic Field Viewer Card (Pack of 1) - Image 4](https://m.media-amazon.com/images/I/81g4YWeGJIL.jpg)
![Magnet Source Magnetic Field Viewer Card (Pack of 1) - Image 5](https://m.media-amazon.com/images/I/91ZQ8v7UGgL.jpg)

## Questions & Answers

**Q: Can you write on this causing a magnetic image to appear if you attached a small neodymium magnet to the end of dried up pen?**
A: Only if you have a small enough magnet, otherwise the characters would be so large you could only write one word.After reading "Sadly, no." I tried with a small motor magnet and was able to produce "123" and "Hi" that were legible from the front.Not sure if that is useful for you.

**Q: Will this show the tracks on magnetic audio tape?**
A: Not usefully. It might just show some magnetic field on a cleverly recorded tape (eg: Like a lightning flash recorder), but neither the resolution nor the contrast would show normal audio tracks. That is simply not it's function.

## Customer Reviews

### ⭐⭐⭐⭐⭐ great product, works really well.
*by D***H on January 17, 2024*

great product, works really well. I used for a service class and passed on the link where to buy it to my service class so it can be used to find damage to an magnetic encoder strip we use on our products.

### ⭐⭐⭐⭐⭐ Handy to see what items are magnatized
*by N***S on May 8, 2017*

It was interesting seeing different magnetic items with this. It's not very effective with weak magnets though, as would be expected. This is just for those who are as curious as I am and just like to see how things work! :)

### ⭐⭐⭐⭐ works at a basic level
*by M***N on March 6, 2023*

This works at a basic level, and what I mean by that is, it will show magnetic fields, but not very clearly. If you have trouble reading them, or looking for more defined readings in general, I would look at another viewer.

## Frequently Bought Together

- Magnet Source Magnetic Field Viewer Card (Pack of 1)
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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-02-24*