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The Snap Circuits Jr. SC-100 Electronics Discovery Kit is only $20.99 (reg. $34.99) at Amazon right now! This Electronics Discovery Kit with exceptional reviews gives kids hands-on experience ...

But the manual includes about 100 projects the kid can assemble without much help from us. And Elenco, the company based in Wheeling, Ill., that developed Snap Circuits, sells all sorts of upgrades.