DescriptionIf you are looking for a professional electromagnetic teaching apparatus for basic physics leaning, then your research is here. That's because our products can meet your needs. It is made of plastic materials and craftsmanship, durable and practical, and can provide you with stable working performance.Features- Color: Random Color. - Material: Plastic. - Size: Approx. 7.50X7.50X1.50cm / 2.95X2.95X0.59inch. - It is made of premium plastic material, durable and practical for long time use. - Perfect experimental equipment for showing the phenomenon of electromagnetic or electromagnetic induction. - It is a great tool for students to learn physics electromagnetic, easy to operate. - Can be used in scientific experiments and classroom, also a great gift for kids. - It allows students to better understand electromagnetic in intuitive demonstrations and interesting experiments.