Magnetic Field Demo Board (with small magnetic needles) The trolleys are stackable and

The trolleys are stackable and can withstand loads up to 60kg

Each specimen is unique

A useful tool in various electrostatic experiments - Behaves similarly to a digital electroscope

Precise Specifications: This indicator exhibits a visual transition interval from pH 8

Versatile Application: Suitable for a wide range of applications where light sensing and photodiode-based measurements are required

Magnetic Field Demo Board (with small magnetic needles) The trolleys are stackable andMagnetic Field Demo Board (with small magnetic needles). Consists of small magnet needles, used with bar magnet to show magnet field. Premium Quality: This product is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design,