Features: Experience precisely current detection with our Electrostatics Experiment Equipment, essential tool for ensuring safety in physics electric experiment. Crafted from pp and metal, this electroscope equipment electrostatics detector feature high sensitivity sensors, making it easy to operate for various electrostatic experiment. Suitable for school and university physics teachers, students, and enthusiasts of electrical experiment. Widely used for classroom teaching, physics laboratories, electrostatics equipment demonstrating, science education, and extracurricular activity involving current detection. Enhancing your understanding of electric field lines and electrostatics with this demonstrator, must have addition to any educational setting. Specifications: Color: Black and Redness Component: Metal; Fibre Size: Approx. 7x12cm/2.75x4.72in Weight: Approx. 10g Package Includes: 1Piece Electrostatics Experiment Demonstrator note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color