3D Xmas Tree Soldering Practice Electronic Science Assembly Kit 3 Color/7 Color

Also allows you to deepen understanding of the principles of the circuit in the debugging process. 1 x xmas Tree LED Kit. This circuit is composed of 16 pcs LED (light emitting diode). This circuit is simple and practical, low power consumption.It uses integrated circuits for driving: fewer parts,and the line is simple and easy to understand.

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