It's working, but barely. You have to be very close with the magnet to see something, and you see only a little.
Arnaud CHARLES. 9/27/2017 at 11h32 Review collected by Feefo
Expected more. You can hardly see the magnetic fields.
Andreas PflOgler. 9/27/2017 at 11h31 Review collected by Feefo
Difficult to see magnetic feild results.
Andrew Marcus Meldrum. 9/27/2017 at 11h31 Review collected by Feefo
