Description: Product : Red wires are hung on both sides of the copper wire mesh, and 10 wires are hung on both sides of the 400 mm long copper wire mesh Material: The Lab Demonstration Electroscope is made of sturdy pp and metal material, ensuring its longevity and reliability in use Product Dimensions: With a size of 44 x 19.5 cm, this electrostatic experiment equipment is compact and easy to handle, making it suitable for both classroom and lab settings Educational Tool: This Labs Electrostatics Kit is for demonstrating the principles of electrostatics in a classroom setting or at home for educational purposes Package Includes: The package includes a electroscope physics experiment equipment, ideal for teachers use in educational settings Specification: Material: PP and metal Size Chart: 44x19.5cm/17.32x7.68inch Package Includes: 1 Labs Electrostatics Kit Note: Please allow slightly errors 1-2cm differences due to manual measurement.