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4.87 out of 5
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  • TomVIP4

    Works as stated. The blue spark is very tiny but the luminescent bulb lights up spectacularly. You can present it like a nice trick to the kids. I have added a thermo-silicone paste between the transistors and their heat sinks. And finally I put a small fan from an old video-card - no worry to burn out the transistors even at 25 V.

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  • 27/02/2021

    Nice little machine. A disadvantage for me as non-Chinese customer are the all Chinese instructions. To compensate for that, I wrote my own assembly instructions (in English). I tried to upload them but there is an error message about exceptions. If you want the .pdf to publish on the Banggood site, tell me.

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  • 11/01/2021

    Very pretty. Note: Please pay attention to the direction of the second file and keep it from the first L1 file. Because the circuit will not work hard and correctly if the L2 file direction is incorrect.

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  • 10/01/2021

    the cost of including instructions in English would be well worth it otherwise its a cool little kit. circuit board is a bit fragile as mine has a broken connection somewhere. I'm not going to waste my time looking for it over a 7 dollar kit.

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  • 08/08/2020

    It came later than I expected, and that was one of an offer that offered arrival in a week, "one week delivery" I think it's called. It took me three. But hey, it wasn't a dire need either. On the other hand, another order that I made the same day, I received it three weeks earlier and it made me more excited. The product has arrived well packaged with all parts. Now it's time to ride it and enjoy.

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  • 08/09/2020

    easy build project. don't let the outer coil touch the inner. it heats the wires up and melts the insulation. not as much of a light show as I was hoping for but cool none the less

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  • 22/02/2021

    this was fun to put together and arrived relatively quickly. the instructions are in Chinese, but it's simple to put together if you've got basic circuit/component knowledge.

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  • 25/06/2020

    Too cool!!!! Only problem is that the instructions came in Chinese!!!

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  • 08/03/2021

    A lot of fun to assemble and use. Sound quality surprisingly good.

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  • 06/02/2021


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