Electrical experimental equipment accessories light bulb lead switch lamp holder motor generator electromagnet electric bell light control magnetic control switch solar power generation single-throw double knife
Electrics experimental accessories bag (bulb * 3 leads * 4 roots) lead * 4 roots Color random 5 Number of small batteries 1 board * 4 grain 5 Number of small battery case No. 1 large battery 1 board * 2
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Items weight estimation 0 g, subject to actual weight
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