Electromagnetic Relay Physics Kit for Middle School Learning This handson electromagnetic relay kit demonstrates the basic principles of electromagnetism and relay operation in a clear, visual way. Designed for classroom and home use, it makes abstract concepts tangible so students can observe how coils, contacts, and circuits interact. Key benefits Clear demonstration of electromagnetism and relay switching for classroom experiments and individual study. Handson format helps students visualize component behavior and strengthens understanding of core physics concepts. Compact and portable design makes it easy to move between classroom, lab, and home activities. Features and attributes Function: Demonstrates electromagnetic coil action and relay switching, suitable for middle school physics experiments and science education. Compatibility: Intended for use in home projects, school lessons, and extracurricular science activities for middle school students. Size: Base measures 23 cm x 5 cm x 20 cm for easy handling and close observation of all components. Visibility: Components are mounted to allow students to clearly see the state and movement of parts during experiments. Usability: Simple setup and operation suitable for guided lessons, demonstrations, and DIY experiments. Practical use scenarios Classroom demonstration: Use during a physics lesson to show how an electromagnetic relay closes and opens a circuit in response to a coil. Science fair or project: Students can build and demonstrate relay experiments to explain electromagnetic principles to peers and judges. Home study and practice: Reinforce classroom learning with handson experiments and guided activities at home. This kit provides a straightforward, educational way to explore electromagnetism and relay mechanisms in a format appropriate for middle school science education.