Features: Discover the intricacies of magnetic fields with the magnetic field distribution demonstration experimental board, visually illustrate magnetic line distribution for enhanced understanding of electromagnetic principles. Crafted from abs, this demonstration board features clear marking and adjustable magnet, allowing for precisely measurement and observation in various experiment. Great for school, Labs, and university students in physics education, as well as researcher and enthusiasts interested in exploring magnetic field properties. Widely used for physics laboratories, school labs, classrooms, and science exhibitions, this tool supports teaching demonstrations, experimental research, and scientific exploration. Enhancinge your educational toolkit with this magnetic induction line demonstration board, for any comprehensive physics curriculum or study collection. Specifications: Color: Green Component: ABS; Magnet Size: Approx. 8x10cm/3.15x3.94in Weight: Approx. 100g Package Includes: 1Piece Magnetic Field Distribution Demonstration Board 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