This set of magnets is used in physical experiments in teaching. Teaching magnets are mainly used as teaching tools for experiments and demonstrations (primary school popular science experiment courses, middle school physics experiments). They can also be used in student stationery, children's toys, etc. It can not only let students intuitively feel the real existence and change of the magnetic field, but also express its physical characteristics concretely, vividly, and more importantly, it can arouse students' learning interest, concentrate their attention, and stimulate their thinking and imagination. This will greatly help and promote the understanding and cognition of magnetic fields for primary and secondary school students and children. Magnetic fields are beneficial to the body, and children can also use the principles of repulsion between like poles and attraction between opposite poles of the N and S poles of the magnet to understand the Earth's magnetic field.
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