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SALE
6" SQUARE COB LED LIGHT BOARD 6500K DAYLIGHT
This LED COB light panel operates at 32-36VDC at 500-600mA, (around 20 Watts) and it’s insanely bright. On a 6" square PC board--a takeout from unused medical equipment--has (3) rows of (5) white COB LEDs. Board is coated, and each LED has a...$5.00$12.5060% OFF$5.00$12.5060% OFF -
WIDE ANGLE 20 x 70 COATED BINOCULARS
Nothing to it if you have these giant 20 x 70 binoculars with rubber-coated housing for ruggedness, anti-reflective 70mm blue-coated lenses, and a K9 prism for sharp images. You'll have a 367 foot field-of-view at 1000 yards which is great for camping,...$89.95$89.95Qty in Cart: 0Quantity:Price:$89.95Subtotal: -
EYEGLASS STYLE MAGNIFYING EYEGLASSES
You do close work? Slap on these eyeglass-style magnifiers and make your life a bunch easier. The plastic frames are 5-1/2” wide with adjustable interpupillary distance, 4-1/2” long temples and an adjustable 12” elastic strap. Comes...$20.95$20.95 -
VOLTMETER MEGOHMER, STANDCO HERMAN H STICHT
Voltmeter Functions 0-300 VDC and 0-600 VDC, Standard Ohmmeter function, Megohmmeter function for testing insulation resistance. Needs a replacement dry cell battery to function as an Ohmmeter. Voltmeter functionality tested. Heavy-duty painted sheet...$99.95$99.95 -
PHOTOVOLT, MODEL 670, REFLECTION METER
Reflective Colorimeter for ASTM andTAPPI METHODS, for determination of Brightness, color, opacity in a variety of samples (not included). Unit is in remarkably good physical condition, however, does not have a probe or bulb for which to test...$99.00$99.00 -
FANTASTIC FOOT FINGER PUPPET PKG(4)
Just stick these 2-3/4" long rubber feet on your fingers and patter away. They’re puppet feet that have lost their puppets, and are super-accurate, with toenails, ankle bones and that little vein on the arch. You get (2) right feet, and (2) left...$6.95$6.95 -
BROAN NUTONE DUAL ROCKER 120VAC
From Broan-NuTone®, these rocker switches are rated for up to 15A per switch, 20A altogether. Fit standard, single-gang electrical boxes and come with switch plates, screws and wiring instructions. You’ll need a...Starting at $9.50Starting at $9.50 -
12" SQUARE COLORED CELLOPHANE SHEETS
Sort of like kleenex, because cellophane used to be trademarked but isn’t any longer so you can now say cellophane all you like. Cellophane, cellophane, cellophane. You’ll get (48) sheets of 12” square cellophane, a dozen each in red,...$8.95$8.95 -
(4) AA BATTERY HOLDER WITH LEADS AND SWITCH
Nice little battery holder made to contain (4) “AA” cells. Measures 2-1/2" x 2-3/4" x 3/4" with a pair of 5-1/2" leads and an SPST slide switch. The cover closes with screws so all those AAs won’t go flying around where you can’t...$3.35$3.35 -
WE DARE YOU SCIENCE BOOK 366 PAGE
"WE DARE YOU!" by Vicki Cobb is a 322-page book for children, filled with over (300) scientific challenges and experiments that can be done with ordinary household stuff. A savvy adult could introduce kids to science by betting them their allowance money...$12.95$12.95 -
CLASSIC BAMBOO BACK SCRATCHER
It’s back. Once upon a carnival, the bamboo back scratcher was the prize every kid came home with and there wasn’t an unscratched back in America--unless the kid came home with a goldfish, which are worthless for scratching backs. Now you can...$2.95$2.95 -
INCREDIBLE COLLAPSIBLE BUCKET
Not to be confused with the bucket accordion, the least popular instrument of all time, this is a collapsible bucket, made of silicone with a hard plastic rim. Holds 1-1/3 gallons and stands 7-3/4" tall x 8-3/4" ID at the top, but collapses (accordions)...$7.75$7.75 -
COLUMN-SHAPED NEODYMIUM MAGNET
We're liking this little plated N45 neodymium magnet because it will stand on end and stick out very prettily on the ice box. Measures 1" tall x 1/4" square with a hefty, for its size, 3-1/2 lb pull, 13,800 gauss. (Will also lie down on its side, of...$3.75$3.75 -
1-1/2 - 3VDC HOBBY MOTOR
This little 1.5-3VDC motor draws just 15mA no load, which means it's just the ticket for solar-cell applications. At 3VDC it spins approx 600 rpm and stalls at 125mA. Measures 1-1/8" long x 15/16" dia with a 5/16" long x 1/16" dia shaft and 3-1/2" leads.$3.35$3.35 -
3 PIECE PORTABLE WALKING STICK
If you fly to where you hike, you absolutely need this three-piece bianbai wood walking stick. Like in portable pool cues, the pieces are threaded together via steel inserts. Measures 55” long assembled, with a metal tip covered by a removable...$16.95$16.95 -
SALE
228 PIECE ROTARY TOOL ACCESSORY SET
What do rotary tools have in common with fashionistas? Yes, it really is all about accessorizing. This set includes (20) shading bands, (10) fiberglass cut-off wheels, (21) assorted grinding stones, (3) polishing wheels, (45) woolen wheels and points,...$19.50$23.9519% OFF$19.50$23.9519% OFF -
4-PIECE STAINLESS SCISSORS SET
Let’s hear it for our 4-piece scissors collection, ready to meet all of your home and office scissing needs. All with cushioned handles and all stainless steel, you’ll get 5-1/2” and 6-1/2” straight-handled office/detail scissors...$6.25$6.25 -
8" x 11" GIANT PLAYING CARDS
Care for a king-sized king of hearts? A jack of huge? Try our 8-1/2" x 11" deck of playing cards. Fun to shuffle and great if you've lost your reading glasses. Just the ticket for teaching a whole class of kids to play blackjack before the annual school...$12.50$12.50 -
24VAC ELECTRO-PNEUMATIC VALVE
This 24VAC 6VA electro-pneumatic valve from Siemens USA, #265-1027, has three barbed plastic tube connections- normally open, normally closed and a common for 1/4" OD tubing and is rated for a max of 50psi. Commonly used to alternately apply pressure to...$4.75$4.75 -
TIE-DYE WALLPAPER SQUARES
Once upon a time you had to stuff your walls into a huge bucket if you wanted them tie-dyed, but now you just peel and stick these red-yellow-blue-green diagonal- pattern sheets on the wall and be grateful. Manufacturer says they're "Removable and...$3.25$3.25 -
CONCENTRIC SEALED BEARING
Interesting concentric sealed bearing, like a pillow block, from Hub City. The outer portion measures 52mm dia x 15mm thick with an anti-rotation pin, and the inner measures 34mm dia x 12mm thick with a 22mm ID bore and (2) 3mm setscrews.$4.50$4.50 -
DIGITAL pH METER 0-14 pH
Our digital pH meter is ideal for science projects, monitoring your water, keeping your prize-winning tomatoes happy and your aquarium healthy, and more. Has a 1/2" LCD that reads from 0-14 pH with a resolution of 0.2pH. Comes with (3) AG-13 batteries...$38.50$38.50 -
COPPER CALORIMETER LEYBOLD 38802
Was sealed in package, but we took it out to get a photo and inspect it. Available in stores by special order. Diameter 47 mmHeating: Connection: max. 24 V via 2 mm sockets Resistance: approx. 30OMaterial: CuAssembly: fullHeight: 43 mmWeight: 660 g...$199.95$199.95 -
STANDARD 10-PACK UTILITY KNIFE BLADES
Just your standard 2-notch utility knife blades in a 10-pack. For all your utility knifing needs.$1.95$1.95 -
SNAP CIRCUITS ARCADE KIT
Electronic fun is easy with this Elenco Stem Arcade kit from the award-winning Snap Circuits® line. Includes 30 snap modules and makes (203) sound-, light- and motion-related projects, and includes, along with a lot of other sub-circuits, a...$59.95$59.95 -
3 PACK GRADUATED SYRINGES
Handy 3-pack of syringes, 10ml, 20ml and 60ml, perfect for squirting glues, greases, lubes, paint, whatever you need to squirt. And if you use them as squirt guns, you didn't get the idea from us. Small ones are graduated in 1ml increments; the big one...$3.95$3.95 -
ULTRA BRIGHT 60 LED WORK LIGHT MAGNET/HOOK
Call it a gonzo version of our best work-light, this 4-5/8" x 2-1/4" x 1" cigarette-pack-size light has (60) white LEDs in a 3" x 1-1/2" window with a bright mode and a way brighter mode that would blind a turkey vulture, plus (4) more for a standard...$6.90$6.90 -
PARKER 110/120VAC NORMALLY CLOSED SOLENOID VALVE
110-120vac 6w 10psi n/c solenoid valve from Parker. Take outs from unused coffee makers so they are brand spanking new.$9.50$9.50 -
T-SHIRT, NIKOLA TESLA, SMALL, GITD SEPIA
If Nikola Tesla were alive he'd be sporting this lovely chocolate brown and sepia T-shirt, especially because it glows in the dark. (Just like he probably did.) Below his GITD name is his face and below that are photos and patent...Starting at $18.50Starting at $18.50 -
24VDC SOLENOID AIR VALVE, 220mA N/C, 6.7psi
This little solenoid air valve requires 220mA at 24VDC and is normally closed. Working pressure is 6 psi. The inlet and outlet are 3/16" OD x 3/32" ID x 1/4" long at right angles to each other. Comes with 6" leads with a Molex connector. Part #AJK-F0507.$3.50$3.50 -
12-24VDC PISTON STYLE AIR PUMP
This 12VDC low-pressure, piston-driven, diaphragm air pump has a 7/32" inlet. This bad boy is rated between 6-12 VDC with 12 VDC being nominal voltage , draws 1.3 amps at 12 VDC. Overall size is 4" x 1-5/8" x 3" with solder tabs but some may...$9.50$9.50 -
GEOCENTRAL 15-PIECE ROCKS KIT
Minerals rock. Teach your young scientist the difference between minerals and plain rocks with our kit from GeoCentral®. Has (15) samples of minerals, such as quartz, alabaster and talc, and includes an 11-page booklet, magnifier and a streak plate.Starting at $13.50Starting at $13.50 -
SALE
POCKET SIZE UV LED FLASHLIGHT
This pocket-sized mini-flashlight has (9) 405nm ultraviolet LEDs and myriad uses, from checking U.S. currency to working the door at your ultra-hip downtown clubs, spotting radiator and transmission fluid leaks, mineral identification, and (yes, it's...$7.50$8.9516% OFF$7.50$8.9516% OFF -
CLEAR ANALOG METER NO SCALE DIY
This new take-out analog/ballistic meter, a genuine science device, was intended to measure electrodermal activity in humans, if you're into that kind of thing. (We make no judgments here at the home office, lest we be judged.) Has a clear acrylic...$7.50$7.50 -
275 LB TEST TACTICAL CORD
Our each is 100 feet of of paracord (tactical cord) from Atwood Rope Mfg. Measures 3/32" dia (think round shoelace) with (4) internal strands and a 275-lb test strength. UV inhibited; rot and mildew resistant. In assorted solid and blended colors, from...$7.85$7.85 -
STIRLING ENGINE/GENERATOR
This excellent and beautiful Stirling engine would make Robbie Stirling himself proud. Has a 1/2" piston stroke and sits on a 7" x 3-1/2" wooden base. Comes with a small alcohol lamp to fire it, and is connected via a belt to a DC generator that fires...$95.75$95.75 -
SALE
SPRING-LOADED BURETTE CLAMP
This white plastic U-shaped burette clamp is spring-loaded and has (2) different collets for the stand pole, 7-9mm and 10-12mm. Maximum pole diameter is 14mm. The spring-loaded burette side can open to approximately 30mm. Has a 123mm span over all.$5.00$6.5023% OFF$5.00$6.5023% OFF -
12VDC MABUCHI MOTOR 5700 RPM
This torquey take-out 6-24VDC (12VDC nominal) motor draws approx 250mA no load, stalls at 7.2A and spins approx 5700 rpm. Measures 2" x 1-13/32" with a 3/4" x 1/8" flattened shaft and may have a setscrew-mounted coupler that resembles a router bit. Has...$3.50$3.50 -
VACUUM SCREEN CLEANER ATTACHMENT
This dual-brush screen-cleaner vacuum attachment has lost its vacuum cleaner. Give it a good home and it'll clean your window screens and screen doors much better than a garden hose or most husbands. Measures 5-5/8" x 3-1/8" x 1-1/4" with a pair of...$2.95$2.95 -
ELECTRONICS SOLDERING DE-SOLDERING SET
Our super soldering set is perfect for beginning and occasional solderers. It includes everything you need you need to be up and soldering in minutes. A must have for any budding electronics kit builder, hobbiest, crafter and electronic repair. Solder on...$14.75$14.75