Master Magnetics Magnet Source Field Viewer Card (Pack of 1)

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.

Es un juguete más para adulto, genial

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! :)

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.

I only wish it was a larger cut. Very cool. Buying this piece caused me to buy a larger size. Shop around as once you play with this stuff you will want a bigger sheet for showing off the flux lines!!! I love it and need it all over my walls, floor, and ceilings to show off my magnetic personality hahahahahahahahahahahahahahahah! Thanks for laughing.