Quick Answer: The Iron Filings in a Bubble (Self Contained Unit) is a shallow, sealed, clear plastic vessel of fine iron filings, 80 mm across, for simple magnetic field plotting without loose filings.
Last updated: October 2026
Key Features
Shallow, sealed, clear plastic vessel
Contains fine iron filings
Used in place of loose iron filings
Can be used on an overhead projector for demonstrations
Diameter 80 mm, depth 12 mm
Technical Specifications
Specification
Value
Vessel
Sealed, clear plastic
Diameter
80 mm
Depth
12 mm
About This Product
The filings are first spread evenly over the base of the bubble by shaking or tapping. The bubble is then placed over the magnet and gently tapped so that the filings can align themselves in the magnetic field. Export supply of the Iron Filings in a Bubble (Self Contained Unit) can be arranged to laboratories and schools in Croatia, Luxembourg, Solomon Islands, Montenegro and South Korea.
Frequently Asked Questions
Q1. Can the bubble be used for class demonstrations? Yes. It can be used on an overhead projector for demonstrations.
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