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10 x Alcohol cleansing pads
High precision microprocessor temperature control
Colorful Variety: Includes 6 ring magnets in 5 different colors
the number of actions ≥ 100
Ohm Resistance Box Electromagnetism 10 x Alcohol cleansing padsIncluded: 1 x Resistance Box and 1 x Manual. Use it to teach student electrical knowledge. Great teaching aid and experiment equipment. Resistance obtainable is from 0 ohm to 9999. 9 ohm. Premium Quality: Resistance Box 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
