Pith Ball Electroscopes

Simple, timeless demonstration of electrostatics.

• Comes with a teacher’s guide
• Additional pith balls available in packs of 10

Use this item for demonstrating the attraction and repulsion of electric charges. It consists of an insulated brass pillar and hook on a base. It is useful for interesting and engaging demonstrations.

Livraison: Supplied with two colored pith balls with strings attached.