Diy physical DC motor technology small production Primary school students hand-invented science experimenter material kit
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Description
Packaging: OPP Bag
Packing size:17.5*12*3cm
Finished Product Size:14*4.5*8.5cm
Net Product weight:25g
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Product information Product packaging: opp bag Package size: 14 x 20 x 5cm Net weight: 115g Package size: 13 x 10.5 x 8cm
