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Magnetic field demonstrator - Iron filings sealed in fluid
The classic magnetic lines of force demonstration - now in a no-mess plastic case! Simply place a magnet on or near the surface of the demonstrator, and the filings will follow the magnet as you move it. Place a magnet on the surface of the demonstrator, and the filings form the classic lines of force pattern.
The filings are suspended in light oil, allowing for a smooth flow toward, and around the magnet. Hours of fun and education in a sturdy plastic case!
Dimensions in inches - 8 x 5 x 0.35
SKU# MFDF