DC motors
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Stirling Engine Mini Generator Engine Model
$34.99 Add to cart -
Gearbox kit – DIY gears speed and torque physics science experiment kit
$17.99 Add to cart -
Electric motor principles kit – DIY physics science experiment kit
$14.99 Add to cart -
Hand crank electric generator science kit – DIY physics science experiment kit
$14.99 Add to cart
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