This product is an Experimental Cylinder Coil, which is made of copper material, with good texture, sturdy and practical. Easy to carry and use, it can be easily applied to your teaching, a very practical accessory that will meet your needs well. Features -Color:Multi -Material:Copper -Size:10.50X7.00X7.00cm/4.13X2.75X2.75in -The Experimental Cylinder Coil is a versatile teaching instrument that can be used for a variety of electromagnetic induction experiments. -This Physics Experiment Coil is easy to use, with a simple and intuitive interface that allows students to conduct experiments independently. - Instrument Physics Teaching Tool is suitable for teachers who want to enhance their teaching effectiveness and provide students with a hands-on learning experience. -This physics electromagnetic induction coil equipment is designed to demonstrate the principles of electromagnetic induction in a clear and concise manner. -Characterized by a sturdy and firm texture, not easy to break, serving you for a long time. Package list: 1 x Electromagnetic Coil