Handheld LED EMF Meter Magnetic Field Detector Ghost Hunting Paranormal Equipment Tester Electromagnetic Portable Counter 50Hz-20,000Hz
from $14.99
Triplett ET30 Non-Contact Magnetic Field Detector – AC Magnetic Fields and DC/Permanent Magnets
from $12.85
Magnetic Lines of Force Demo Set, 3D Magnetic Field Demonstrator
from $59.95
Magnet Source Magnetic Field Viewer Card (Pack of 1)
from $15.14
GLTL Gaussmeter Tesla Meter Surface Magnetic Field Tester with N/S Function + Metal Probe
from $128.99
JahyShow LED EMF Meter Magnetic Field Detector Ghost Hunting Paranormal Equipment Tester Portable Counter
from $18.99
color tree Handheld LED EMF Magnetic Field Ghost Hunting Detector Electromagnetic Paranormal Equipment Tester 50Hz-20,000Hz Black
$14.59
from $14.39
4 x 4 Inch Magnetic Field Viewing Film, Magnetic Field Viewer, Magnetic Flux Display, Magnet Pattern Detector, See Magnetic Field for Scientific Project Teaching
from $18.75
KENMIC EMF Meter - Rechargeable Handheld Electromagnetic Field Detector with Digital LCD - Ideal for Home, Office, Outdoors, and Ghost Hunting
$39.99
from $27.99
Magnetic Field Viewing Film 4"x4", Magnetic Flux Display, Magnet Pattern Detector, Scientific Project Teaching, Reusable and Automatic Recovery - Olive
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