• Interactive education: engage students by showing the movement of iron powder to illustrate magnetic field distribution and lines of force
• Targeted for schools: iron oxide powder is nice for middle and high school physics education, facilitating the learning of fundamental magnetic field concepts
• Multiple uses: iron powder can be used repeatedly for various magnetic field demonstrations, supporting ongoing teaching and experimentation
• Simple and effective: designed with simplicity and portability in mind, iron oxide powder is easy for students to perform and observe experiments
• Reliable design: iron filings are made with iron to ensure clear and effective demonstration results