DescriptionThis physics experiment equipment is made of good quality material, which is durable and lasting for use. It can exercise students' practical ability, train their observation capability, thinking and analytical skills. Let them learn physics with happy.Features- Color: As Shown, fur color for random. - Material: Rubber stick, fur. - Size: About 25.50X1.50X1.50cm/10.02X0.59X0.59inch. - Note: Fur color is random. - Mainly used in physics friction electrostatic experiments of junior high school. - Great instrument for learning physical and friction electrostatic experiments. - Stimulate students' interest, improve analysis and observation skills. - Scientific physical experimental equipment to exercise student's practical ability. - A good gift for teacher and students, they will be happy!