Demonstration Induction Coil with Primary Coil, Secondary Coil and Cylindrical Magnet for Physics Te

: Transformer , It can fit for Use with a Galvanometer.Function: Specially designed to Demonstrate electromagnetic induction and 's law for students, perfect for physics teaching.Durable: Construction with Enameled Copper, sturdy and durable.Please note:There is a slight color difference or difference in kind, it does not affect the use, please do not mind, thank you!Colour:As ShownMaterial:copperPackage Contents:1 * Demonstration Induction CoilOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.