About This

• MAGNETIC FIELD VISUALIZATION: Place film on magnets to display invisible field lines clearly for science projects and personal research
• MULTIPLE SIZE OPTIONS: Available in 25x35mm, 40x45mm, and 30x50mm dimensions to fit various experimental setups and testing needs
• PORTABLE AND LIGHTWEIGHT: Compact design allows easy storage and transport for convenient use in classrooms or professional labs
• EASY TO OPERATE: Simply position the viewing paper over magnetic materials to instantly observe pattern distribution without complex tools
• CONSTRUCTION: Made from long lasting materials that withstand frequent handling while maintaining clear visualization performance