The electromagnetic induction solenoid coil is a versatile teaching aid that can be used in a variety of physics experiments. Its robust design ensures performance, while its clear and concise setup makes it easy for students to use. This coil is ideal for demonstrating the principles of electromagnetism, providing a hands-on learning experience that enhances student understanding. Features -Color:Multi -Material:Copper, plastic -Size: 8.50X6.50X4.00cm/3.34X2.55X1.57in -Note: Bottom holes are respectively 1 cm and 2.5 cm. -Essential teaching tool: ideal for middle school physics experiments, particularly in the areas of electromagnetism and electrical studies -Copper coil construction: made with Excellent copper primary and secondary coils for stable electromagnetic induction -Simple and intuitive: designed for ease of use, making it accessible for both students and educators during experiments -Wide range of applications: ideal for demonstrating various experiments, including faraday's law of electromagnetic induction -Reliable: undergoes extensive testing to ensure a long lifespan, providing dependable performance for instructive use Package list: 1 x set of induction solenoid