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15% OFF Crianças quebra-cabeça científico vento modelo de turbina estudante diy experimentar aparelhos ciência manual do material US$8.15 US$9.54 View It

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02/01/2019

Simply Science Experiment showing exchange of energy. For price what I got, I m happy. Easy Construction Only thing I m not happy with is that the LED Bulb quality is very bad. It fuses very fast. Thought the seller had given total of 5 bulbs, all bulb fused with very low voltage/ low RPM of generator motor. But I liked the product & concept. This simply toy explains the conversion of energy, CHEMICAL to ELECTRICITY to KINETIC to ELECTRICITY to LIGHT. Well, I need to buy new small LED Bulbs now.

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ptomecek Ithink, that resistor is missing there. Add resistor to decrease ampere.
Resposta 04/05/2019

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