DescriptionDo you want your students or children to know more clearly electromagnetic intuitively? Then, you must not miss our solenoid coil. Made of premium and durable copper material, practical and sturdy, can serve you well. Easy to operate, suitable for teachers, students, school teaching, home experiment, etc.Features-Color: Assorted. -Material: Copper. -Size: About 9.50X6.30X4.00cm/3.73X2.48X1.57inch. -Mainly used in middle school physics teaching, to demonstrate the magnetic field and electromagnetic induction. -Cultivate students' interest in learning and improve grades through practical exercises. -It is a good helper for teachers, parents, train teachers, professors, researchers, etc. -Light weight and suitable size, easy to carry and store, easy to put it in school bag. -Designed for students to demonstrate electromagnetic induction and Lenz's law.
