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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 |
Luminous Paint
This water–reducible acrylic–based paint sticks to most surfaces and glows in the dark after only a brief exposure to bright ambient light. We have a 2 oz bottle of yellow/green that will glow for up to 20 hours. This works great for Halloween costumes and hobby applications, and glows like crazy under blacklight. And without a single radionuclide! Amazing!
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20076 YEL/GRN PAINT, 2 OZ |
Spinner
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Wind this up and you'll have the world at your feet -- or at least spinning on your finger. The 4-3/4" tall plastic desk toy has a globe atop a flesh-colored plastic hand with the index finger extended, and a red base that covers a small manual pencil sharpener. For dull days.
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34191 GLOBE SHARPENER |
Radiation Meter
Are the kids growing up with pride? Radiating good cheer? You can tell for sure with...What? It’s for nuclear radiation? An old Civil Defense meter? Bummer. Apparently, this OCD radiation meter from the Victoreen Mfg. Co. was made to sniff out the residue of the nuclear holocaust when you emerged from your bomb shelter. Calibrated 5 r/hr (Roentgen) with a X 0.1, X1, X10, X100 sensitivity selector, it runs on (1) “D” battery (not included.) The Civil Defense yellow boxes are about 8” x 4–1/2” x 3–1/2”. It comes with complete instructions for use. The CD V–777–2 includes two 4–1/2” long x 1/2” dia dosimeters and a 2” x 4” x 4” dosimeter charger. This one is used, but it works fine, even if it looks a bit scuffed.
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19071 CDV-777 RAD METER |
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Electric Tiara?
You could make one from this…like you could make a bunch of cool light-up stuff. It's a takeout array of (4) white LEDs from a GameBoy" accessory. The LEDs are mounted on a gray-plastic case (4" x 5/8" x 1/2") with the words "Solar Pak" and little rubber end doodads in lavender. Has bell-wire leads attached and draws 85mA at 4.5VDC.
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36484 LED ARRAY |
Anatomically Correct
And extremely detailed. These classroom anatomical posters from Lippincot Williams and Wilkins are full color on heavy coated stock, and of very high quality. They're all 26" high x 20" wide.
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88402 POSTER, BRAIN | |
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88405 POSTER, DIGESTIVE | |
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88407 POSTER, EAR | |
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88404 POSTER, EYE | |
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88401 POSTER, HEART | |
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88398 POSTER, MUSCULAR | |
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88400 POSTER, NERVES | |
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88397 POSTER, SKELETAL | |
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88403 POSTER, TEETH | |
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88399 POSTER, VASCULAR |
Speed Beads?
They're silver Mardi Gras beads, actually. Our each is a package of (3) 16" strings of 1/4" dia chrome-plastic beads, and if you have even the foggiest notion why these necklaces say "Speed Beads" on the package, please let us know.
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36954 MARDI GRAS BEADS |
Pocket Professionals, Outdoor
Cheaper -- a whole lot cheaper -- than hiring a guide, plus these fit in your pocket (which is only true of the tiniest human guides). These hunting and fishing helpers are written and illustrated by professionals and are dense with information and step-by-step, full-color instructions for deer and duck hunters and fisherpersons. They're printed on heavy laminated 8-1/2" x 11" stock folded to a pocket-sized 4-1/4" x 5-1/2". The series includes how to site and work a deer stand; place your shot effectively and safely; field dress and quarter a deer; identify diving and puddle ducks; cast for and trigger bass; work with minnow rigs; identify trout, salmon and catfish -- plus how to stay alive and stop the bleeding when things go a touch wrong. Original retail price of each was $4.95.
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36934 BASS CASTING | |
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36941 CATFISH ID | |
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36930 DEER STANDS | |
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36931 DIVING DUCK ID | |
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36932 FIELD DRESS DEER | |
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36933 FISHING FIRST AID | |
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36935 MINNOW RIGS | |
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36936 PUDDLE DUCK ID | |
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36937 QUARTERING DEER | |
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36938 SHOT PLACEMENT | |
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36939 TRIGGERING BASS | |
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36940 TROUT/SALMON ID |
Masks, Gas, Russian
Assembled in the U.S. from Russian parts, anyway. What we have here is a full range of sizes in gas masks for children, although frankly, the smallest of them are really more Yorkshire-terrier sized. New, but surplus, and while they're rated NBC for nuclear/biological/chemical contaminants, they carry absolutely no guarantees. These are to be used as part of a collection, or for costume/novelty purposes. The children's masks come with a 12" long hose, filter tank, defogging pencil, and carrying pouch. The Small is for faces less than 4-1/4" between cheekbones (and less than 3" from the top of the nose to the chin). Medium is for 4-1/4" to 4-1/2" (3" to 3-3/8" top of the nose to the chin).
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37220 CHILD GAS MASK, MD. | |
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37218 CHILD GAS MASK, SM. |
Bright Box Of Rocks
Straight from the hand of Nature, and Scott Resources, comes this boxed collection of (15) 1" to 1-1/2" fluorescent mineral specimens, such as hackmanite, turritella agate, aragonite, travertine, willemite, resinous coal, selenite gypsum, fluorite, calcite, scapolite var. Wernerite and fossil algae. All are very interesting, and a few colors really pop under ordinary blacklight -- but we have to admit that today's fluorescent paints and laser shows have spoiled us for the more subtle glow of a rock. Buy these for their educational value, not their dramatic display.
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93007 FLUOR MINERALS |
Beginner Bot
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
You can't start 'em too young in the competitive robotics games, we always say. This kit requires no soldering, but the result is a honey of an 8-legged lunar rover, sort of a wireless remote-control arachnid. Includes a pre-wired circuit board for the infrared remote and wiring harnesses for the motors and batteries. The case is translucent red and yellow plastic and the whole robotic shebang will measure 6" x 6" x 5" when finished. Has (8) 4-part articulated legs, and (4) switchable channels, so you can operate your bot with (3) others on the same surface. Includes a good 13pp manual, requires minimal tools for assembly and a total of (4) "AA" and (4) "AAA" batteries, which you supply. The manufacturer doesn't list an appropriate age (other than warning that 3-year-olds can eat the parts) but we think any crafty 9- to 99-year-old could handle the task.
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93056 SPACE NINE ROBOT |
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