Iron filings (iron powder) in shaker, 250 g

For visualising field line images around different types and arrangements of permanent magnets, which are placed under an acrylic glass plate,
or also by scattering the filings on acrylic glass plates with differently shaped conductors;
fine iron granulate (iron powder), in a plastic container with a shaker lid
Contents (filling quantity): approx. 250 g
Dimensions: D=46 mm, H=107 mm
Mass: approx. 270 g