Features: Experience hands on learning with the Iron Powder Fillings Clear Box Packed, visually demonstrating magnetic field lines and enhancing understanding of physical phenomena. This educational tool features magnetic iron powder shavings in clear box, ensuring safe interaction. Very suitable for physics teachers, students, science enthusiasts, and educators, this magnetic powder shavings caters to learners who seeks to explore magnetism. Widely used for classroom teaching demonstration, home experiments, science exhibitions, extracurricular activity, and science education. Enhancing your scientific toolkit with this interactive instrument, allowing direct observation of magnetism field and fostering engaging learning environment. Specifications: Color: Clear Component: Iron; PP Size: Approx. 6.5x5.0cm/2.55x1.97in Weight: Approx. 22g Package Includes: 1Piece Iron Powder in Clear Box 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