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4.1 MFD Capacitor
A 4.1 MFD 300 VAC capacitor. Only 1-5/8" long x 3/4" dia., the MGT-67A P.C. mount capacitor has a resistor mounted on its side.
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28999 4.1 MFD CAPACITOR |
Thump Swish
Find out if you are alive, and if so, whether your blood pressure is so low you will tip over when you stand up. This home blood pressure kit includes the usual D-ring cuff, a nurses' stethoscope and full instructions on their use. Not a toy, it is the real thing. Great for monitoring your health and for educational purposes. It is a two-party set, meaning it is most easily used by two people. Anyone want to play doctor?
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91502 BLOOD PRESSURE KIT |
Nobel Starter Set
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Get your pre-Nobel prize-winning chemist started with this wooden organic molecule structure set. It includes a variety of balls in a variety of solid colors to represent different atomic elements such as carbon, nitrogen, hydrogen and the like. This set also includes one-inch and two-inch wooden connectors and two-inch helical springs. Full instructions included for building 3-D models.
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89274 KIT MOLECULAR, WOODEN |
Chuck Keys
How many chucks would a key chuck key if a key chuck could key chucks. A key chuck would key...oh forget it. Buy this (4) headed key chuck and know you will have the right size for most popular chucks on tools from Delta, Black & Decker, Bosch and other manufacturers of portable and smaller stationary tools.
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91507 CHUCK KEYS |
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Elemental!! Period!!
Periodic table of the elements nicely presented as a 3-hole-punched 8-1/4" x 11" insert for a looseleaf notebook. It's a double-sided trifold with peripheral information, including instructions on how to read the chart. A brightly colored and useful reference for everyone from teachers to chemists.
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88638 PERIODIC TABLE |
50,000 Volts
That's what you get with this tesla coil!! Brand new, commercial item, great for classroom demonstrations and experiments. The 50,000 volt capacity generator radiates high frequency energy through space... enough to light fluorescent tubes two feet away. It uses 115 VAC (60 Hz) with an electro-magnetically operated interrupter buzzer, high voltage capacitors, inductive coil transformer, and a monopolar high frequency transformer generator to do the trick. 11" high, with a 6" sq. x 2" high protective housing for the generator. Includes accessories and instruction booklet with 19 experiments. Pretty amazing. But please, this is not a toy and should be used only under adult supervision.
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70301 TESLA COIL |
Starfinder
Whether you're a beginner or an experienced stargazer, with or without a telescope, you'll get more out of the night sky with a Miller Planisphere. This 10" rotating double disc is a map of the planets, stars and constellations, useful across a large range of the northern latitudes, although most accurate in the range of 35° to 45° north. It can be aligned to the time and date in your location to display a detailed map, and includes tips on finding the planets, suggestions for telescope projects, and more. It's an invaluable learning tool that makes stargazing a lot more fun.
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91720 PLANISPHERE |
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Dandiest Donut in the Domain
Donut magnet you can take to town!! 74mm dia x 14mm thick with a 30mm hole. Very strong and well pedigreed - in fact, its kin are activating pacemakers. They are of a high permeability ferrite material with a lovely light blue or white epoxy coating. Okay, we have them because there is the odd bubble or scratch in the coating which ruled them out of the medical ball, but they're fine company nonetheless. Good display bases, paper clip traps, and super for classroom demos.
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2823 BL/WH DONUT MAGNET |
Clever Idea #763
This idea is for the birds. Literally. A green/black plastic perch, dish, and dispenser that you can screw onto an inverted plastic pop bottle to convert it into a bird feeder. Obviously, the bottle should have been emptied of pop and filled with seed. One of those "100 things to do with old coat hangers" ideas that really works!! Complete with instructions and bail to hang the completed feeder. Please note: this feeder will not attach properly to the new Coca-Cola low-profile bottles.
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89308 WILD BIRD FEEDER |
Look! It's Leo!
This is one slick motorized solar system and planetarium from Educational Insights®. Make assembling it an educational exercise. Demonstrate how the planets circle the sun. The 4" dia sun is yellow plastic, lit with a krypton bulb. The planets are colored, reasonably proportional given their actual sizes, and marked with their symbols. They ride on black metal arms that disappear in the dark. The helpful instruction manual suggests activities, and includes a heliocentric longitude chart. Use it with the degree markings on the black-plastic base to show the positions of the planets on different dates. Replace the top half of the sun with the clear dome imprinted with labeled Northern-hemisphere constellations, and project them onto the walls and ceiling of your darkened classroom. About 9" high, with Pluto extending 15" from the center, and the other planets hanging out in their respective order. Comes with an AC adapter, but not with the (4) "C" batteries it needs. For grades 3 and up, and not for kids under three years of age. (Do you want to have to tell an E.R. nurse he ate Uranus?)
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91930 SOLAR SYSTEM |
Hobby Tools
We like these small pliers and cutters - they're a higher quality than most of the Chinese import tools we're offered. They are drop-forged, high-carbon steel with double-leaf springs, lap joints and rubberized foam handles. There is a trim 6" needle nose, and a 4-1/2" mini-round diagonal cutter. For precision work and hobbies, and especially nice for anyone with small hands.
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91987 SM DIAGONAL CUTTER | |
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91986 SM NEEDLE NOSE |
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