Description Our spring plate science experiment tool is crafted from premium copper strips, ensuring durability and excellent elasticity. This versatile teaching instrument is for demonstrating the principles of elastic vibration in physics, science, and engineering classes. Its precise design accurate frequency and tone, making it an essential addition to any educational setting. Features -Color:Silver -Material:Copper -Size:15.00X1.50X0.10cm/5.89X0.59X0.04in - Material: made from copper strips, ensuring durability and excellent elasticity for longterm use. -Scientific experiment tool: ideal for teaching and experiments, helping students understand the principles and applications of elastic vibration. -Versatile design: suitable for schools, laboratories, and home education, meeting the needs of various educational settings. -Educational instrument: for physics, science, and engineering experiments, enhancing the learning experience. -Unique design: precisely cut copper strips ensure accurate vibration frequency and tone, providing reliable results.Package list: 6 x experimental springs