Ключевые слова: advertisement, attract, attracting customers, bar magnet, bipolar, complete set, direction, electromagnet, electromagnetic induction, energy, experiment, fascinating, float, gravity, horseshoe shape, icon, keep away, magnet, magnetic, magnetic field, magnetic field lines, magnetic force, magnetite, magnetosphere, marketing, material, neodymium, north, north pole, physics, polarity, pull apart, repulsive force, rod type, school, science, set, south, south pole, stick, technology, the study, transparent background, u magnet, ushaped, very,