This ring magnet makes it easy to carry out a magnetic repulsion experiment (experiment which requires a plastic rod). Specification Outside: 26.75 mm ∅inside: 16 mm Height: 5 mm Adhesion...

This powerful, cube-shaped magnet can be used with the ferrofluid kit ref. 107 539, but also for any other magnetic interaction experiment. Technical Specifications Edge: 12 mm Adhesive Force: 6.3...