This square-shaped magnetic induction 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, providing a hands-on learning experience for students. Color: As shown in the picture. Material: Copper + Plastic. Size: 4.50X4.00X3.00cm/1.77X1.57X1.18in. Versatile applications: features multiple functions suitable for magnetic induction experiments, electromagnetic induction experiments, and related experiments. Easy operation: designed for simplicity and ease of use, making it ideal for students, teachers, and researchers. High precision measurement: provides highly accurate magnetic induction measurements, aiding users in conducting precise experimental research. Educational aid: serves as a teaching aid, helping students better understand and grasp related physics experiment knowledge. Durable and reliable: offers excellent durability and reliability, ensuring stable operation over extended periods. Package includes: 1 x magnetic induction coil