Features: Clear Electromagnetic Induction Demonstration : This physics experiment tool vividly shows current changes during electromagnetic induction, helping students understand physics concepts easily. Perfect for middle school and university labs, it makes abstract theories visible. Strong Metal & Plastic Build : Made with robust metal and sturdy plastic, this teaching tool holds up well under frequent classroom use without bending or breaking. Great for extended educational use with low replacement costs. Easy to Use Setup : Requires minimal preparation—just link to a power supply for quick demonstrations. Reduces teachers' setup time while improving classroom efficiency for smooth physics experiments. Safety Focused Design : Includes built in current limiters to prevent damage from excess power, ensuring secure learning for both students and instructors during electrical experiments. Flexible Learning Tool : Beyond schools, it works for science fairs, after school programs, and interactive exhibits. Inspires students' interest in physics across various educational settings. Specifications: Component: Metal, Plastic Size: Approx.40x30x10CM/15.75x3.94x11.81inch Quantity: 1 Pc Package Includes: 1 Pc Selfinduction Phenomenon Demonstrator note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.