Magnetic Field Demo Board (with small magnetic needles) Hydrogen Peroxide and tool belt

and tool belt

Diameter 30mm

The colorful design engages children’s interest and motivation to learn basic geometry

metal-made

Magnetic Field Demo Board (with small magnetic needles) Hydrogen Peroxide and tool beltMagnetic 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,