Fangrui Product Details The Square Coil Is Composed Of Wires, Coil Formers And Wiring Forks. Experimental Equipment For Showing The Phenomenon Of Electromagnetics Or Electromagnetic Induction. Demonstrate The Oersted Experiment, The Magnetic Field And Electric Induction Of Electric Current In Middle School Physics Teaching A Simple And Practical Teaching And Experiment Equipment In Middle Schools. Also Suitable Tools For School Teaching, Learning And Display Collectibles, Will Be An Important Complement Of Laboratory Materials. Dont Hit Or Press Hard To Prevent Damage To The Inst Ent And Affect The Experimental Results. High- Quality Material And Fine Craftsmanship, Durable And Sturdy For A Long Time. Incredible Support Tool That Can Be Used In Laboratory Equipment For Physical Or Lab Decoration For Enhancing The Effectiveness Of Learning Physics Experiments. Purpose: Demonstrated In The Middle School Physics Teaching The Oersted Experiment, Namely The Magnetic Field And Electric Induction Of Electric Current.the Square