Step1: Soldering the CTR-30A PCB board Step2: Soldering the CTR-30B PCB board Step3: Soldering the CTR-30C PCB board Step3:Combi
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Organizer RGB LED Flashing Christmas Tree DIY Kits Electronics Soldering Colorful 3D Xmas Tree DIY Module Funny Kits PCB
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Amazon.com: IS ICStation DIY Soldering Practice, 3D Christmas Tree Electronic Assemble Kit, Circuit Solder STEM Project for Student Teens(7 Colors) : Toys & Games
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