Description: 【Interactive Learning Tool】: This current magnet field demonstrator is an educational tool designed to enhance understanding of electromagnetism, making it ideal for middle school physics experiments 【Construction】: Made from pp and metal, this demonstrator is built to withstand regular use in classroom settings, ensuring long-lasting performance and reliability 【Versatile Size Options】: The set includes two coils of different sizes, large coil measuring 18x14x4.2cm and small coil measuring 14x9x4.2cm, providing flexibility for various experimental setups 【Engaging Educational Experience】: By visually demonstrating the principles of electric currents and magnet fields, this tool helps students grasp complex concepts through hands-on learning experiences 【Physics Learning Set】: This Junior High School Physics Electromagnetism Experiment Kit is a great electronics physics for kids to enhance what is learnt from physics class.Physics Science Lab Electricity kit assists teachers and parents better physics teaching Specification: Material: PP, Metal Size Chart: 18cmx14cmx4.2cm/7.09inchx5.51inchx1.65inch 14cmx9cmx4.2cm/5.51inchx3.54inchx1.65inch Package Includes: 1x Physical Current Magnet Learning Set Note: 1.This is not infant toy , please take away from children to avoid eating. 2.Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.