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Magnetic Field Demo Board (with small magnetic needles)
Sulphate <5
Use it to teach student electrical knowledge
Displacement Vessel Aluminum
Premium Quality: Horseshoe Electromagnetic is made of high-grade construction all the way through
Rheostat Resistance DNA Model Magnetic Field Demo Board (withDifferent Rheostats: Rheostat 4. 5 Ohm Rheostat 16 Ohm Rheostat 20 Ohm Rheostat 135 Ohm 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, please contact us. Safely Packaged to avoid being damaged during transportation.
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