School Specialty-032-2629 Magnetic Field Detection Compass, 3/8" Diameter (Set of 10)
Delta Education Magnetic Field Detection Compass when arranged with magnets, will align with the magnetic field. Compass of 3/8 in dia is sold as 10 per set.
TitleSchool Specialty-032-2629 Magnetic Field Detection Compass, 3/8" Diameter (Set of 10)