12V permanent magnet small power generation physical electromagnetism teaching demonstration hand-cranked USB charging generator
sku: 1005004577715715
3,350.00 грн.+6%
~ 3,550.00 грн.
$84.66, $1.00 = 41.95 грн.
7,690.00 руб.+10%
~ 8,460.00 руб.
$84.66, $1.00 = 99.89 руб.
€ 77.00+6%
~ € 81.50
$84.66, € 1.00 = $1.04
Shipping from: China
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