This can be used for showing magnetic field patterns either on the bench or on a overhead projector. Comprising a shallow transparent chamber, 225 x 130 x 15mm overall, containing iron particles suspended in a liquid. It may be used to show fields in much the same way as with loose iron filings on card but with much greater convenience.

The transparent construction allows for demonstration use on a over head projector, or the device may be placed over a piece of white paper to provide background.

Supplied with two pairs of bar magnets and an instruction/experiment booklet.

WARNING! Not Suitable for Children under 3 years due to small parts.

This product contains magnets or magnetic components.

Magnets can cause serious or fatal injury if swallowed.