note: you need to confirm the delivery date before placing an order.

this electromagnetic relay teaching aid is specially designed for optical physics teaching in junior and senior high schools. its core selling points include intuitive demonstration of electromagnetic principles and safe and durable materials.

the advantage lies in improving the experimental efficiency and solving the pain points such as complicated operation of traditional teaching aids and difficult understanding of students.

through national education certification, brand reputation guarantee.

stimulate students' scientific interest, cultivate practical ability, and make physics learning more vivid and interesting.