Description This square-shaped coil is an essential tool for physics experiments, specifically designed for demonstrating magnetic induction and electromagnetic principles. Its robust construction ensures durability, making it ideal for classroom settings. The coil is great for illustrating Oersted's experiment, providing a hands-on learning experience for students. Features -Color:Multi -Material:Copper + Plastic -Size:4.50X4.00X3.00cm/1.77X1.57X1.18in-High precision measurement: provides highly accurate magnetic induction measurements, aiding users in conducting precise experimental research.-Versatile applications: features multiple functions suitable for magnetic induction experiments, electromagnetic induction experiments, and oersted experiments.-Easy operation: designed for simplicity and ease of use, making it ideal for students, teachers, and researchers.-Durable and reliable: offers excellent durability and reliability, ensuring stable operation over extended periods.-Educational aid: serves as a teaching aid, helping students better understand and grasp related physics experiment knowledgePackage list: 1 x magnetic induction coil