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Old American kitchenware 1725-1925
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Get Smart
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Nick and Tesla's secret agent gadget battle : a mystery with spy cameras, code wheels, and other gadgets you can build yourself
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Nick and Tesla's robot army rampage : a mystery with hoverbots, bristlebots, and other robots you can build yourself
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Nick and Tesla's high-voltage danger lab : a mystery with electromagnets, burglar alarms, and other gadgets you can build yourself
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Nick and Tesla's super-cyborg gadget glove : a mystery with a blinking, beeping, voice-recording gadget glove you can build yourself
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Nick and Tesla's high-voltage danger lab : a mystery with electromagnets, burglar alarms, and other gadgets you can build yourself
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Rubber band engineer : build slingshot-powered rockets, rubber band rifles, unconventional catapults, and more guerrilla gadgets from household hardware
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Gadgets, gizmos, and gears
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Maker Girl and Professor Smarts. Book 2, Beware the evil lair
