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LEDs By The Dozen
Light emitting diodes. Solid state devices that provide the ubiquitous power and indicator lights on your electronic gadgetry. Unlike lamps, there are no filaments that glow. Rather, some two volts of DC power at a miniscule 10 to 20 milliamps of current get the chemistry excited, and they just plain emit. Emit is a good word, too, as they don't really cast light, but glow brightly. We have a nice assortment of 3 and 5 MM diameter sizes in red, green, orange, and yellow. The longer lead is always positive, the shorter always negative, and you always need a current limiting resistor (about 500 to 1,000 ohms for 5 to 9 volt DC sources) to keep the current in the 10-20 MA range. If that's Greek to you you're either going to blow a lot of LED's or learn to change incandescent indicator lamps ! !
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6796 LED ASSORTMENT |
Bead Heaven
Glass beads, 0.055" diameter!! They are German and are the kind you glue on stuff to make it sparkle or reflective--not the kind with holes. At our price you could do layers in little bottles for really cool thingums!! We have 'em in clear and a whole host of colors. Craft stores sell tubes of these beads for a ruinous $4.00 per tube or about $3.35 per oz.. Well, we don't have the tube so you are going to get a baggie, but you only have to pay $1.00 per oz so jump up and down and clap your hands over such a great deal!! The only thing left is to choose what you need. In case you can't do that, we offer an assortment of (10) packages which will include clear plus at least six (6) different colors.
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26947 AQUA BEADS | |
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27056 ASSORTED BEADS | |
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26941 BLACK BEADS | |
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26952 BLUE BEADS | |
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26944 BRIGHT BLUE BEADS | |
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26953 CLEAR BEADS | |
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26951 FUCHSIA BEADS | |
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26945 GREEN BEADS | |
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26948 LAVENDER BEADS | |
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26942 ORANGE BEADS | |
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26943 PINK BEADS | |
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26946 YELLOW BEADS |
Mylar Warmth
They have the look of something designed for the space program. They're mylar, a paper-thin shiny metallic sheet, that comes in handy when your car breaks down in winter, or when you're separated from your climbing group on the slopes of Mt. McKinley. Barring that, they're also a perfect material for a do-it-yourself cold-climate Halloween costume-near impossible to rip by hand, but cut easily with scissors. There's no padding, so they wouldn't be too comfy on your bed, but they sure are warm. They both come folded about the size of a wallet. The Blanket is 52" x 82", the Sleeping Bag is 34" x 84".
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91007 EMERGENCY BLANKET | |
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91432 MYLAR SLEEPING BAG |
Large Rock Polishing Kit
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Budding lapidarians will lap up this rock polishing kit which is so complete it even contains some rocks. The polishing tumbler has a (3) lb. ((1) qt.) fifteen sided rubber barrel and is driven by a 115 VAC motor. Overall dimensions are 6" x 6" x 7-1/2" high. In addition to the tumbler, the kit includes an assortment of jewelry findings and a detailed manual giving you easy to follow instructions. But don't think of it only as useful for jewelry making. As a hobby, our Uncle George for many years collected and polished a wide variety of rocks which he found interesting and made beautiful in and of themselves.
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89758 REPLACEM'T ABRASIVES | |
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80276 ROCK POLISHING KIT |
LCDs
These liquid crystal displays are raring to go. As soon as we can get Mary Ann to stop playing with them we'll pick out (5) assorted displays for you. (She keeps zapping them with static electricity to see what pops up. Mary Ann is easily amused.) Sizes range from 1-3/16" x 2" to a few as large as 5" x 10". They're unused. Some have pin leads, some have traces right on the wafer. Either way, they're a terrific bargain.
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34244 LIQ CRYS DISPLAY |
Decibel Meter
'Tain't a toy, McGee. And 'tain't surplus. This digital dB meter from Sper Scientific is pocket-sized--8" x 1-5/8" x 7/8"--and measures sound levels from 32 to130 dB with a built-in 1/2" microphone using (2) "AAA" batteries (included). The resolution is 0.1 dB and it's accurate to within 1.5 dB. Has a built-in calibration oscillator and comes with a foam windscreen and small screwdriver for calibrating. It's very easy to use, with one-button operation on what the manufacturer calls the smallest, lightest dB meter on the market--to help you stay a step ahead of OSHA.
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92622 SOUND LEVEL PEN |
It's a Little Gem!
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Actually, it's a set of (36) different little polished gemstones and minerals from around the world, all identical sizes (1/2" x 3/8" x 1/8" thick), mounted and identified by name and origin on an 8" x 10" card. Super nice at a super price, for teachers, designers or jewelry makers. The set includes amazonite, amethyst, aventurine, black obsidian, blue lace agate, buttermilk jasper, carnelian, Dalmatian dacite, dumortierite, fancy jasper, fluorite, gold stone, hematite, howlite, jadeite, lapis, leopard skin jasper, mahogany,obsidian, moss agate, nephrite, Picasso jasper, orange calcite, picture jasper, rainbow jasper, rose quartz, rhodonite, rock crystal, rhyolite, red jasper, snowflake obsidian, sodalite, serpentine, tiger eye stone, turquoise and unakite.
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92883 SAMPLE GEMSTONE |
Button, Button...
who's got the button? You do, which means you don't have to go the drugstore when your watch, calculator, camera, radio or nearly anything else stops. Be prepared for electronic quitters with this 30-pack of button cell batteries in the most popular sizes. Our each is (6) AG1, (6) AG3, (6) AG4, (3) AG5, (3) AG12, and (6) AG13 batteries. (Some devices may call these G1, G2, etc., or have other arcane codes for these same sizes.) Brand new!
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93241 ASST. BATTERIES |
RARE FIND!
Rare earth magnets are usually killers for their size, and these thick nickel neodymium discs are no exception. The price, on the other hand, for (3) 7/16" dia x 1/4" 5-lb lift or (2) 9/16” dia x 3/16” 8-lb lift magnets each stored on a 2" dia steel disc, is a rare exception.
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93463 MAGNETS, SET OF 2 | |
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92042 MAGNETS, SET OF 3 |
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Blowing Smoke
For fun or science. And it's not actually smoke, but a fog created the same way they do for movies and heavy metal concerts. The Zero Blaster is a ray-gun-shaped, black-light-sensitive pistol that pumps out 2" to 4" dia smoke rings (rotating toroidal vortices, to be exact) that will, one after another, waft up to 12 feet away for hours of good, clean fun. Measures 9" long x 6-1/2" high. The Wizard Stick is a fog-producing wand, 10" long on a 4-5/8" x 2-1/4" base, and comes with an instruction manual for science experiments and special effects, including making wind tunnels and a vapor-ring blaster. Also good as a household draft-finder. Each takes (6) "AA" batteries, not included, and comes with a 3-ounce bottle of non-toxic fog juice, good for 25,000 smoke rings or a whole lot of fog. Better order an extra bottle of Super Zero Fluid, the replacement juice, just in case.
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93586 SUPER ZERO FLUID | |
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93585 WIZARD STICK | |
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93584 ZERO BLASTER |
Poor Man's Luminaria
It's a little 2-1/2" square base with brushed-aluminum-look sides and a mirrored top, in the middle of which 3 colored LEDs flash on and off in individual and combination patterns. Makes a dandy base to show off crystal and cocktail glasses, but stick a large styrene coffee cup upside down over it and put it in a dark room and you have the world's cheapest multi-color light show. Line up a dozen or so on the front walk and you've got the world's first flashing multicolored luminaria show for party nights. You add (3) "AAA" batteries.
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93614 LED STAND OSCILLATING |
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