Magnetic field plate with arrows, SE

For demonstrating the magnetic field lines and the sense of direction around permanent or electromagnets, also for modelling a cubic crystal lattice of ferromagnetic materials, for demonstrating the Weiss districts or domains, Barkhausen jumps, saturation, hysteresis loop, Curie temperature etc.;
62 tip-mounted, arrow-shaped magnetic needles mounted between 2 acrylic glass plates in a cubic arrangement, 4 plastic feet prevent slipping on or scratching smooth surfaces, suitable for overhead projection
Length of the magnetic needles: 10 mm
Dimensions: 150 x 90 x 24 mm
Mass: approx. 188 g

Additionally recommended:
2x P3410-1K Bar Magnet, AlNiCo, D=10 mm, L=50 mm
1x P3410-1L Supporting plate for bar magnets