Are you still looking for a teaching apparatus to let your student know the electrostatics? Then, our electrostatic experiment equipment kit is one of the for you. Using , it is safe and . A perfect physics teaching aid for you. It is a good helper for teachers, parents, train teachers, professors, researchers, etc. Features - ColorAssorted Color - Material: Glass, silk. - Size: 25.00X0.50X0.50cm/9.82X0.20X0.20inch. -Note: the cloth is random color - Constructed by using high-grade material, ensures it safety and can use it with confidence. - Mainly used in middle school physics teaching, to explain electrostatics - Lightweight and portable, more convenient to store and carry. It's great equipment for students to learn the electrostatics - Let students learn electrostatics in interesting experiments and improve their physics performance - It is a good helper for teachers, parents, train teachers, professors, researchers, etc Package list: 2 x cloths 4 x glass sticks