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Moving Sand Art
Black and white sand in a viscous colored fluid. The sand and fluid are between 5-1/2" wide x 3-1/2" high panes of glass, framed on a gimbaled stand. Flip the panel and watch the sand swirl and eddy into endlessly new pictures of dunes, drifts, mountains or moonscapes, depending on your imagination and the pattern they form. The mix of black and white creates a definite third dimension to the images. They come in assorted colored plastic frames (our choice) and are pretty neat, as these things go.
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88881 MOVING SAND PICTURE |
Power Grip
An awesome tool for the shop or garage. The heavy–duty Power Grip Vacuum Cup grabs sheet metal, glass, or any flat, smooth surface. Perfect for pulling out dents in metal or playing Suction Man on a skyscraper. Our large size has a 4” dia suction cup. It has a quick-release handle and high-impact nylon bodies in neon red.
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92037 LG VACUUM CUP |
Get Your Bearings
Bring these bearings to bear on your next project. Our supply and variety is constantly rolling over so get ‘em while we got ‘em!.
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39107 BEARING, 1-1/4" | 1-1/4" | 7/16" | Details |
$3.95
PKG(4)
Out of Stock. Check Back Soon! |
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33505 BEARING, 19MM | 19mm | 7mm | Details | |
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40281 BEARING, 2-7/16" | 2-7/16" | 1-3/16" | Details | |
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39108 BEARING, 20MM | 20mm | 6.5mm | Details | |
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39904 BEARING, 22MM | 22mm | 8mm | Details | |
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39900 BEARING, 23MM | 23mm | 13mm | Details | |
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39110 BEARING, 24MM | 24mm | 8mm | Details | |
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39905 BEARING, 35MM | 35mm | 15mm | Details | |
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39901 BEARING, 40MM | 40mm | 23mm | Details |
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Perpetual Motion
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Spin this spindle and watch it turn in perpetuity!! Well, for a long time anyway. Inside the 5-1/2" long colored plastic spindle are magnets which are repelled by magnets in the 5" x 3" black plastic base. The variously colored spindle floats in the air above the base thus virtually free of normal friction. It also has red lights to light up its way as it spins, giving it almost a strobing effect. Nifty desk toy named "Revolution".
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91664 LIGHTED REVOLUTION |
Original Slinky(r)
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Does anyone need to be told what a Slinky(tm) toy is?? Okay, it is a very slack spring, 2-7/8" dia x 2-1/2" long, compressed. It will stretch out to about 5 or 6 feet long without deforming. That's the boring part. The interesting part is that it "follows" itself. Slosh it from hand to hand. Put in on the top step of stairs, flip the end down a step, and watch it walk down stairs, or down an incline. Believe us, no childhood (or adulthood) is complete without an original stainless steel Slinky(tm). It was hard for us to find it, but we are glad we did. You should be too.
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88701P3 3-PACK SAVINGS! | |
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88701P1 ORIGINAL SLINKY |
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Elemental Information
Holy Gadolinium, Batman, who discovered this Gd element? We're not sure, but he's close to our hearts, since Gd is a magnetic metal of the rare-earth group, and you know how we love rare earth magnets. This excellent 38-1/2" x 26-3/4" poster of the Periodic Table lists the elemental information about Gd and 117 other elements, and includes mini-biographies of (7) scientists. The full-color poster is not laminated, but is a good quality coated paper, and a fascinating addition to any classroom.
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92005 TABLE OF ELEMENTS |
For Mature Adults
We won't tell anyone. We know you're a mature adult who's seen a lot over the years. You've seen so much that you've worn out those old eyes of yours. We won't tell anyone that now you need a 7-1/2" x 5-7/8" x 7/8" OA calculator with a big 8-digit 3" x 3/4" adjustable display. With big, high-contrast buttons. With all the standard memory, square root functions, etc., that you've forgotten how to do without a little help. And its battery operated so you don't even have to remember to use it in the sun. Ain't maturity grand?
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31298 BIG CALCULATOR |
LEDs And More LEDs
LEDs in assorted colors and sizes for displays, hobbies, robotics, electronics and more.
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12534 4MM 3V LED RED | Red | 4mm Dia. | Details | |
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31627 5MM 3V LED RED | Red | 5mm Dia. | Details | |
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31632 5MM 3V LED YEL | Yellow | 5 mm | Details | |
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31620 5X3MM 3V LED ORNG | Orange | 5 mm x 3 mm Dia. | Details | |
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31623 9X5MM 6V LED GRN | Green | 9 mm x 5 mm Dia. | Details |
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Peltier Heat Pump
High tech comes to Am Sci & Surp!! It is here in the form of a Peltier junction, a thermo-electric device that translates electric power into heat, and perversely, into cool. Apply current @ 3-12 VDC to the gizmo and it extracts thermal energy from one face, thereby cooling it. The heat is dumped onto the other face, thereby heating it. Please note: you must use a heat sink on the hot side or the junction will fry itself, since it can quickly create a 65° C temperature differential in a no load situation. Stack two, or build a cascade to increase the thermal differential created. Or run it backwards. Apply heat or cold to the relevant face and produce a current. Amazing for science projects and experiments. Practical for coffee warmers, beer coolers and mini-refrigerator or warming oven applications. Comes with instructions. Large is 1-9/16" sq. x 3/16" thick.
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89143 LARGER PELTIER JUNCTION |
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Magnif Lamp
Magnificent magnifier lamp! Great for hobby work, stamp or coin collecting, needlepoint, sewing and crafts, even reading if your eyes are "mature". The plastic "head" assembly has a 3.5" dia, 3 diopter magnifying lens and a socket with switch for an incandescent lamp (60 Watt max.) This is mounted on the end of an arm the other end of which clamps to the table top. The arm has (2) roughly 15" long sections and swivels at the clamp to allow precise positioning over your work. Plugs into any wall socket. Basic black or white, it is a brand new good quality item that you will find so useful you will wonder how you got along without it!
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89418 DESK MAGNIFYING LAMP |
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6-Position DIP Switch
Omron #A6D-6 PC mount dipswitch with (6) SPST switches. If you're not into switching dips, try making one into a caterpillar body for an art project!!
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29685 DIP SWITCH, 6-POS |
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