Acrylic plate thickened design Closed grooves regular arrangement The plate is smooth, flat and translucent
The metal material is roughly bar-shaped and is easily attracted by magnets. It forms a regular and smooth magnetic induction line.
Magnetism is not large, is very clear and distinct
Do not contact with products such as calcium acid during use or storage, and keep it dry to avoid oxidation of metal parts and affect the experimental effect.

colour: as shown
Material: plastic+metal

Package Contents:
1 set x Magnetic Field Lines Demo Board