United Scientific® Magnetic Field Demonstrator – Acrylic Case with Iron Filings for Classroom Science Experiments & Physics Education

Make invisible forces visible with the United Scientific® Magnetic Field Demonstrator. Designed for physics classrooms and science labs, this teaching tool provides a clear and engaging way to visualize magnetic field patterns. The demonstrator consists of a transparent acrylic case filled with mineral oil and suspended iron filings, which instantly align when placed over a magnet.

Educators can use it directly on a table or project the field patterns onto a screen with an overhead projector, making it an excellent resource for group demonstrations. Its compact size (8” x 4.5” x 0.375”) makes it easy to handle, store, and reuse for countless lessons. Perfect for STEM education, physics experiments, and interactive demonstrations, this tool helps students grasp complex magnetic field concepts with ease.

Built with durable materials and designed for repeated classroom use, the Magnetic Field Demonstrator is an essential addition to any school science lab, homeschool curriculum, or teaching kit.