Description

A transparent frame containing magnetic
powder in a water based solution for showing
magnetic field patterns. When a magnet is
present the particles of iron inside become
slightly magnetised, so they attract each other
and cluster into the lines that show the magnetic
field patterns. Includes a pair of small ferrite block
magnets and a pair of plastic cased bar magnets
and teachers leaflet.
Specifications:
225 x 130 x 15mm.