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How Does It Work?
Why does it do that? Develop an elemental understanding of magnetism, electromagnetism, electrochemistry, radio, thermodynamics, light and optics. Simon Quellen Field's 228-page paperback, Gonzo Gizmos, Projects & Devices to Channel your Inner Geek explains processes, equipment and scientific terms -- and then, for starters, tells you things like how to make a rotary steam engine in 15 minutes from a soda can, a candle and a few scraps of rubber tubing. It's the favorite of our resident geeks -- but not for kids unless they're working with an adult. That would be a mature adult. An insured, mature adult.
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92339 GONZO GIZMOS |
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Heat Shrink Sampler
A variety of heat shrink tubing pieces. You get (10) pieces, each (1) foot long for a small price. Size Small means each piece will be at least 1/16” but not over 1/4” OD before shrinking, and about one half that after shrinking. Each may be red, black white, yellow or who knows what color. Snip them into smaller bits. Use them end to end for longer pieces. You can’t go wrong with this deal!!
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22776 HEAT SHRINK TUBE, SM |
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Gear Up
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Or gear down-for the science fair or for any number of hobby projects. This hard-to-find set of (3) combination spur/beveled gears-for when you want gears set either straight or at 90° to one another-also has one small spur gear, plus three bushings. All in red, green, or blue plastic (we'll pick). The combo-beveled gears are 1-5/8", 1-1/4" and 27/32" dia with 3/16" bores to accept the bushings, which are 3/16" OD, 3/32" ID. The straight gear is 17/32" dia with a 1/16" half-bore. All are 24 pitch.
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92657 GEAR SET |
Pocket Microscopy
Good things come in (2) different small packages. Our pocket microscopes are compact and perfect for a clear, close look at stamps, coins, flora, insects or assorted minutiae. The 30X version measures 5-3/4" x 1-5/8" x 3/4" in black plastic with a focus knob, on/off switch, small LED for illumination, and a vinyl carrying case. Requires (2) "AA"s. The 60X version is a microscopic 3-1/4" x 1-3/16" x 3/4" and has a built-in white LED illuminator powered by (3) coin-cell batteries that are included. Magnifies from 60-100X, with coarse- and fine-focus knobs, and has a vinyl carrying case.
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93252 60X MICROSCOPE | |
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34407 POCKET MICROSCOPE |
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You Say Breadboad...
And the manufacturer, Elenco Electronics, says Bredblox, but what’s in a name? These are just nice little breadboards for electronic experiments. The Elenco Model 9830 measures 6-1/2" long x 2-1/8" wide x 5/16" thick with (2) power busses up both long edges and (63) double rows of more busses. The holes for components and jumper wires are approx .050" each and multiple boards can be interlocked via tabs and ports on the long edges. Now go invent something and get rich.
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93061 9830 BREADBOARD |
Physics In A Box
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Very nice intro to physics for primary grades, and fun for kiddles aged 5 and up. From the Busy Box series of Discover Kits, made by Tree of Knowledge®, the Compass kit includes (5) experiments, including mapping, and making a sun dial and a weather-vane bird.
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38582 COMPASS KIT |
Compact Driver Set
This nice, 14-piece driver set packs away in its own 7" x 2-1/2" x 1-5/8" gray-plastic case. Includes a straight-handled ratcheting driver, a 2-3/8" extension bit, sockets at 3/16", 6mm, 1/4", 5/16", 7mm and 8mm, an adapter for the sockets, #1, 2 and 3 Phillips bits, and 3/16" and 1/4" flat-head bits.
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18091 14-PIECE DRIVER SET |
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