• School supply-- material and fine craftsmanship, and sturdy for a long time,Physics Copper Coil
• Teaching copper coil--it is interesting and allows students to better understand electromagnetics in intuitive demonstrations and interesting experiments,Physics Experimental Copper Coil
• Physics experiment tools--widely applied in home, laboratory, middle school, training institution, research institute, etc,Physics Teaching Prop
• Experimental square coil--visually demonstrate the ​ of magnetic needle interfered by magnetic field after powering on, practical for laboratory use,Middle School Experimental Coil
• Laboratory instrument--a simple and practical teaching and experiment equipment in middle schools,Electromagnetics Teaching Tool