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Multicolor Kids/Children 41 pcs Circuits Smart Electronic Block Set Educational Science Toy DIY Building Kit

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Multicolor Kids/Children 41 pcs Circuits Smart Electronic Block Set Educational Science Toy DIY Building Kit

41 pcs Circuits Smart Electronic Block Set Kids Educational Science Toy Kit.Build 1000 experiments with 41 parts,make kids hands-on experience designing and building models of working electrical circuits.Experiments included: sound activated switch,...