Description: 【Interactive Learning Tool】: This Experiment Solenoid Model is designed to demonstrate the right hand rule of electromagnetism, making it a great educational tool for middle school physics classes 【Hands On Experimentation】: The Physics Interactive Science Plaything allows students to explores how changing the direction of current affects magnetic field orientation. By swapping power cords, they can see firsthand how this alters the deflection direction of the magnetic pin, providing a clear understanding of electromagnetic principles 【Physics Teaching Tool】: Whether you're a teacher, parents, or student, this physics classroom experiment kit is a great way to spark interest in physics 【Quality Materials and Construction】: Made from copper material, this Educational Solenoid Physics Experiment set ensures longevity and reliability during repeated classroom use 【Complete Set for Classroom Use】: The package includes all necessary components for conducting electromagnetic experiments in a convenient set, measuring 15.5 cmx12.3 cmx4.3 cm/6.10 inchx4.84 inchx1.69 inch in size—ideal for educational demonstrations and enhancing student engagement in physics lessons Specification: Material: Copper Size Chart: 15.5 cmx12.3 cmx4.3 cm/6.10 inchx4.84 inchx1.69 inch Package Includes: 1 Set Solenoid Experiment Model Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.