electronic diy kit Fingertip gyro LED manufacture KIT Fun welding diy kit RG550

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electronic diy kit Fingertip gyro LED manufacture KIT Fun welding diy kit RG550

Battery not include in the package !

For the soldering of the original patch, it is recommended to use 0.6-0.8mm solder, 63% tin low melting solder wire, 20W-30W pointed or knife edge.

electronic diy kit Fingertip gyro LED manufacture KIT Fun welding diy kit RG550