KASTWAVE Soldering Practice Kit, 4-Digit RGB Colorful LED Digital Clock Kit with 12H/24H Format, DIY Electronic Alarm Clock Project for Students, Education Learning, and Home Office Use (Black)

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KASTWAVE Soldering Practice Kit, 4-Digit RGB Colorful LED Digital Clock Kit with 12H/24H Format, DIY Electronic Alarm Clock Project for Students, Education Learning, and Home Office Use (Black)