• School physical supply: lightweight and portable, more convenient to store and carry, it's great equipment for students to learn the electrostatics,science stirring rod
• Science experiment supplies: it is a good helper for teachers, parents, train teachers, professors, researchers, etc,friction electrification accessory
• Teaching tool: sturdy glass material with stable performance and ,friction electrification equipment
• Teaching equipment: mainly used in middle school physics teaching, to explain electrostatics,tool
• Junior high school electrostatic experiments: stimulate imagination, action ability to the interest in learning,static experiment supply