Features: Experience precisely current detection with our Electrostatic Experiment Equipment, essential tool for ensuring safety in physics electric experiment. Crafted from pp and metal, this electroscope equipment static electricity 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, electrostatic equipment demonstrating, science education, and extracurricular activity involving current detection. Enhancing your understanding of electric field lines and static electricity with this demonstrator, must have addition to any educational setting. Specifications: Color: Yellow; Redness Component: Metal; PP Size: Approx. 7x18cm/2.75x7.08in Weight: Approx. 420g Package Includes: 2Pieces Electroscope Device 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