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Burner Stands

Three-legged steel stands for cooking above burners in the lab. The unit stands 6" tall with a 2–1/4" ID (3–1/4" OD) burner ring. Legs are 1/4" wide chromed steel and angle outward slightly. Burner rings have a grey baked enamel finish. Legs screw into burner rings and have adjusting nuts. Sturdy construction.

89735 BURNER STAND, 6"
$7.50 EACH

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Simple Circuit

An easy way to light up the kids' eyes! Teach them to wire a simple circuit with our basic components. The knife switch is mounted on a plastic base. The miniature plastic socket holds a standard flashlight bulb with a 14 mm dia screw base. We pack 6 volt and 3 volt round bulbs, or 1.5 volt bell-shaped bulbs, (5) to a package.(Bulbs are rated slightly higher to prevent them from burning out.) Or hook up the black plastic and metal 2" x 4-1/4" telegraph key with brass contacts and (2) terminal posts with nuts. Our blue-plastic holder for (1) "D" battery has a small tab at each end to hook a lead to, and a 1/8" square mounting hole at each corner. You add the mounting surface and the know-how. Actual bulb voltage listed in parenthesis.

91160 1.5 VOLT BULBS (2.5 V)
$1.75 PKG(5)
91159 3 VOLT BULBS (3.8V)
$1.75 PKG(5)
91158 6 VOLT BULBS (6.3V)
$1.75 PKG(5)
91769 BATTERY HOLDER
$1.25 EACH
38806 KNIFE SWITCH, DOUBLE POLE DOUBLE THROW
$2.75 EACH
38808 KNIFE SWITCH, DOUBLE POLE SINGLE THROW
$2.25 EACH
38805 KNIFE SWITCH, SINGLE POLE SINGLE THROW
$2.25 EACH
38811 SOCKET
$1.50 EACH
91813 TELEGRAPH KEY
$5.50 EACH

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Lab Stand

Affordable, adaptable lab equipment for serious scientists with laughable budgets. The basic stand is heavy black metal 8" long x 5" wide x 1" high with a 19-1/2" x 3/8" dia support rod screwed into it. Position a beaker or bunsen burner on the stand and build the configuration you need above it. Both of the Burette clamps and the ring attach to the rod with thumbscrew clamps. The Burette clamps have wing nuts so they can be adjusted to any angle. The single clamp extends 4" from the rod, with rounded, uncoated, adjustable metal jaws with spring tension and a wing nut. The double clamp like it has rubber-coated jaws. The 3" metal support ring holds the 6" x 6" heavy-gauge steel-mesh burner screen with crimped edges. Nice, solid equipment at a rare price.

88192 3" SUPPORT RING
$6.95 EACH
91831 6" X 6" SCREEN
$1.50 EACH
88597 DOUBLE CLAMP
$13.95 EACH
88195 LAB STAND
$14.95 EACH
88186 SINGLE CLAMP
$9.95 EACH

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Seltzer Power!

Warning!  WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.

Incendiary rocket fuel? We don't need no stinkin' incendiary rocket fuel. We got the Mighty Seltzer Rocket! The seltzer rocket, made of simple plastic parts. (No, don't lean over it!. That's not a foam nose cone, you know!) The 4-1/4" x 1-1/4" dia seltzer rocket that holds water and (1) dissolving seltzer tablet. The rocket that has shot almost 30 feet in the air for us. It comes with (4) antacid tablets, just like those you can buy at the drug store -- and it's basic science at its best!

92303 SELTZER ROCKET $6.95 EACH Out of Stock.
Check Back Soon!

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Un-Bunsen Burner

So you don't have a gas jet in the garage? You don't think Margie and Ted are old enough to handle the high temperatures of a Bunsen burner? Our alcohol lamps are the answer. They burn alcohol (available at the hardware store), and are hot enough to boil water, to soften glass tubing for bending, and to generate the chemical reactions generally called for in science projects. The lamp is 2-1/2" x 2-1/2" x 2-1/2" glass bowl with a wick assembly that brings the whole to a height of 4-1/2" and comes with a handy little metal lid/extinguisher.

88236 ALCOHOL LAMP (B)
$5.95 EACH

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You Wanna Get Physical?

Warning!  WARNING: CHOKING HAZARD-Children under 8 yrs. can choke or suffocate on uninflated or broken balloons. Adult supervision required. Keep uninflated balloons from children. Discard broken balloons at once.

You'll need this excellent set of physics experiments from Elenco, with 256 different ways to demonstrate force, motion, magnetism, pressure, heat transfer, electricity and electric motors, simple machines, water/air/gases, light, sight, sound and more. Includes too many parts to list and a very detailed 64pp instruction manual so that even dads who are stumped by the laws of nature can figure them out first. Designed for curious folks age 8 and up.

93062 PHYSICS PHYSIQUE
$32.95 EACH
 

MiniMultiMeter

Our pocket-sized multimeter measures a tiny 3-5/8" x 1-3/4" x 1" thick, with a 3-1/2 digit display on a 1-1/4" x 9/16" LCD screen. Will measure up to 500VAC, 100VDC, current from 200uA up to 10A, resistance up to 2000K ohms, and will also test diodes and transistors. Comes with (2) 24" test leads and a battery to power it. Teeny price to match its size. Great for science fair projects.

93148 MULTIMETER
$7.95 EACH
 

Electro-Magnetix"

Warning!  WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.

Forgive the misspelled title, this is one of the best educational kits that we have! Loaded with magnets, wires and a miscellany of other things (but no battery. 1x"D"!) it has everything needed to perform over 30 experiments, build games and generally have hours and days of educational fun! The thirty page illustrated instruction/explanation booklet is complete for self- instruction. Ages 8 and up will have a ball!

88776 KIT ELECTRO-MAGNETIX
$12.95 EACH

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Mess-O-Magnets

A whole bunch, yea a whole classroom's worth, of ceramic magnets for a song. You'll get 2 pounds of the attractive little things, which will be a few dozen or more of them in assorted sizes and shapes. The largest are likely to be 1-1/4" dia and the smallest 1/2" x 1/4" but there may be others, and they're all strong little buggers. Buy in bulk and make your own maglev model train. Our pkg(2) is 2 lbs of magnets.

93651 2LBS ASSORTED MAGNETS
$7.85 PKG(2)

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DIY Dry-Erase

Turn any flat surface, from old blackboards to ordinary walls, into a dry-erase board with 3M's® white dry-erase sheet material. Just press the 3"-wide self-adhesive sections at the top and bottom to any smooth surface to create a conference room anywhere. From meeting room to playroom, it's easily removable, reusable, and safe for painted surfaces. And the price of this trimmed-to-length sheet, 24" wide x 10-feet long x .003" thick, is a real bargain when compared to the retail price. Our PKG(10) is one 24" x 10' long piece.

39188 3M'S® DRY-ERASE SHEET MATERIAL
Note: This item is not eligible for Expedited Shipping
or delivery to Alaska, Hawaii, or the Territories.
$13.95 PKG(10FT)

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Rectify What?

This is for the person who wants to convert AC voltage to the equal DC voltage. It is 1-1/8" square x 7/16" thick, with (4) lug terminals. It is rated at 600 volts and 35 amps max.

33569 BRIDGE RECTIFIER
$3.95 EACH

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