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Build Your Own Crystal Radio

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

A good basic kit with everything you need to build a very simple crystal radio. This is not hi-tech hi-fi. Geared for ages eight and up, it is a complete kit with wonderfully straight forward instructions which walk the experimenter through hooking up tuning needle, crystal diode, and earphone, and experimenting to find useful antennas. Excellent education, recreation and discovery device all at the same time. A simple kit with hours of fun in it.

88028 CRYSTAL RADIO KIT
$12.95 EACH
 

Teddy Bear Eyes

New peepers for your old blind fuzzy heirlooms and then some. 1/2" dia x 3/8" thick, plastic dome shaped eyes with big black pupils and friendly blue corneas have plain 3/16" dia x 3/16" stems. You get (20) bags of (4) eyes. Ceramic Siamese cats will benefit beamingly. Build a coaster set or whole coffee table as a tribute to blind teddy bears world wide!

25114 PLASTIC EYES, 1/2" DIA
$0.75 PKG(20)

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Resistors

We have hundreds of thousands of 1/4 watt resistors which we will send an assortment of (100) 1/4 watt resistors of at least (10) different ohm ratings. All have two axial leads, and 5% tolerance. Don't miss out! This is to cheep to pass up.

21970 ASSORTED RESISTORS
$1.50 PKG(100)

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A Snarl of Magnet Wire

One of those sharpie East Coast outfits pulled a fast one on this poor naive Midwestern dealer. The result is we have a pile of exotic coated copper magnet wire. The coatings and colors vary widely, as does the gauge of the wire. With a couple of exceptions there isn't enough of any one kind among the hundreds in the pile to list separately. So we are offering an assortment and you get whatever we grab. Either way you will get a terrific value, particularly if you have an exotic application and get just what you need. Even if you are just making a garden variety coil or electromagnet you will still find the prices are very good. So go ahead, profit from our misfortune. We are glad to be of service. Sigh.

36227 MAGNET WIRE, 16 GA
$11.95 (100 FT)
36228 MAGNET WIRE, 20 GA
$10.95 (200 FT)
36229 MAGNET WIRE, 24 GA
$8.95 (200 FT)

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Love Meter

AKA hand boiler. An exotic bit of hand blown glass with a bulb at top and bottom connected by some zippy tubing that spirals, loops, and/or jogs. In the closed system is some colored liquid (methyl chloride) that is very light. Hold the lower bulb in you hand and as the air in the system is warmed it pushes the fluid through the loops to the upper chamber. When all the liquid is pushed out of the lower bulb, expanding air will bubble through the tubing making it appear that the liquid is boiling. WARNING! The glass is fragile and the liquid is nasty. If you drop the thing on e.g. the kitchen tile, it will eat the finish off the tile and the stain in the liquid will permanently stain the floor. So don't let kids handle this item unsupervised. About 7" tall, it is a favorite in our stores.

6199 LOVE METER
$4.50 EACH

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Anatomical Charts

A collection of 11" x 14" top quality medical charts. They cover topics such as organs: "Eye" or "Skin", systems: "Digestive" or "Female Reproductive" and disease or conditions such as: "Cancer" and "Obesity". They are on heavy coated paper suitable for putting up in, say, a classroom where they would be excellent teaching aids. Most are overruns that are imprinted with the name of a drug at the bottom and were distributed as part of a promotion. A few have misspelling misprints. Because of varying quantities and a horrendous sorting problem, we cannot give you the luxury of picking your favorites from a long list. We also have (2) large (20" x 26") wall charts, One on hypertension and one on the male reproductive system.

20664 ANAT CHARTS, PKG(12)
$10.00 PKG(12)
20655 ANAT CHARTS, PKG(2)
$2.50 PKG(2)
23059 HYPERTEN WALL CHART
$3.50 EACH
23062 MALE REPRO WALL CHART
$3.50 EACH

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Visible People

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

A pair of kits for ages 10 and up which will be fun to assemble and great educational aids for learning anatomy. Each is a complete, 15" tall model of the human body, including skeleton, internal organs and a clear plastic skin through which they may be viewed. Of course, what you get is all the bits and pieces. So the assembler must identify the parts, paint them (optional, paint not included) and glue them together to complete the finished man or woman. Which is what provides the fun and learning. Simple well illustrated directions and a comprehensive booklet summarizing the functions of the parts and explaining the body's systems (respiratory, digestive, endocrine, etc.) are included. A long standing favorite in our stores.

70228 VISIBLE MAN
$19.95 EACH
70283 VISIBLE WOMAN
$19.95 EACH

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Radio Kit

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

An advanced kit compared to the others, a little more deluxe and a little more complicated. It is an AM/FM radio kit from Elenco with over 80 pieces divided into lesson groups. PC board shows component placement to help learning and to minimize errors. It has (14) transistors and (4) diodes and the case measures 11"x 5"x2-1/4" Soldering required.

89018 AM/FM RADIO KIT
$34.95 EACH
 

Watch Tools

So why do you want this 7-piece watch battery replacement kit? Because it's economical and will pay for itself in short order? Because you're so self-sufficient you would have removed your own appendix if only the E-R physician hadn't been so territorial? Maybe just because you want to poke around inside a clockwork? Whatever the reason, you'll like the jeweler's Phillips screwdriver and knife, the spanner wrench, prying tool, dust brush and soft-plastic and needlepoint metal tweezers. They're in separate pockets in a plastic carrying case that can be rolled for storage or hung by its grommets. We know you'll like this kit, 'cuz we know what makes our customers tick.

91898 WATCH BATTERY KIT
$12.95 EACH

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Digital Multimeter

3-1/2 digit LCD electrical multimeter with a max reading of 1999. Measures (5) ranges of DC, (2) ranges of AC voltage both to 500 V, (5) ranges of resistance to 200K ohms, DC current to 10 Amp., diode test, transistor and battery test. A pocket sized 2-7/8" x 5-3/4" x 1-1/2", it comes complete with test leads and 9 volt battery. The best value for this size we have seen.

89416 DIGITAL MULTIMETER
$16.95 EACH

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One Yorick, Extra Teeth

A fellow of infinite jest, of most excellent fancy. You'll want to make house room, or classroom room, for this nice budget skull in molded bone-colored plastic, about 8" diagonally from chin to back of cranium, with a handy removable and latching cranium and a spring-loaded jaw. Comes complete with a full set of teeth, (3) removable plus three spares-(2) lower front and (1) molar.

88812 PLASTIC SKULL
$28.95 EACH

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