Features: Electromagnetics induction experiment set delivers accurately magnetic field visualization, solving traditional setup errors for clearly physics demonstrations. Easy assembly allows multipurpose magnetic field demonstration tool configurations, optimized for quick adjustments in physics lab equipment setups. Suitable for school students, university physics majors, and educators seeks interactive electromagnetics learning tool for STEM curriculum. Widely used for classroom teaching demonstration, university lab experiments, or homeshcooling study requiring hands on electromagnetics principle visualization. Light weight ABS plastic and stainless steel components ensures long time durability physics lab equipment demonstrating tool, featuring smoothly edges for safe student handling during magnetic experiment. Specifications: Component: Plastic Metal Color: Black Size: Approx. 10x13x9.5mm/0.39x0.51x0.37in Weight: Approx. 1500g Package Includes: 1Set electromagnetics Experiment Equipment 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