
No reason to neglect your education while you’re playing blackjack. Just use our special heuristic playing cards and you’ll learn something, even if you do lose your shirt. The Elemental cards are a double deck, (104) cards plus (4) jokers. In addition to the standard playing card values, the decks cover the (up-to-date, 2006) periodic table of elements. Each card includes one element's atomic number, symbol, series, melting and boiling points, period/group, uses, est. atomic weight, standard state, and the element's name in English. The Bones cards are a deck of (52) plus (2) jokers covering the human skeletal system, with names and full-color illustrations, and yes, the four of clubs is connected to the five of clubs.
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93185 ELEMENTAL CARDS | |
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93408 HUMAN BONE CARDS |
It's a must-have for micro-warriors: Mini Weapons of Mass Destruction by John Austin (author of the best-selling Cubicle Warfare) is 241 pages of detailed instructions on building (42) implements of spitball warfare from ordinary household objects and office supplies. With the caveat that this is written for responsible, aware individuals who take reasonable safety precautions, we have to tell you that we particularly like the binder-clip crossbow. And the tongue-depressor catapult. And…
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94299 MINI-WEAPONS BOOK |
Classroom and Science Fair alert: Now you can order an 8-pack of metals and metal alloys for demonstration purposes. Each pack of 1" dia x 1/32" thick discs includes aluminum, bronze, brass, copper, n/silver (w/nickel), m/steel (mild: low carbon), stainless steel, and zinc. Composition of each is stamped on one side of the discs.
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93769 METAL SAMPLES |
Pay no attention to The Boy Scientist Book title, particularly if you have a girl scientist at home with access to chemicals or electricity. You get 240 well-written pages of 160 "extraordinary experiments & adventures" from the editors of Popular Mechanics. Topics include lab tools and techniques, measurement, electricity, motive force, chemistry and physics. In a sturdy soft-cover, with tons of illustrations.
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94036 BOY SCIENTIST BOOK |
We've got lovely full-color, 9" x 12" coated card-stock charts of all your human systems, ready to post. The 10-chart set gives you relatively detailed diagrams and an explanation in text of the urinary, circulatory, digestive, endocrine, integumentary (skin), muscular, nervous, reproductive, respiratory and skeletal systems.
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40784 SET OF 10 ANATOMICAL CHARTS |
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Very few desktops have room for a basketball-sized globe, so we’re offering our rotating grapefruit version of the world, at 5-1/8” dia. It’s your standard globe marked with countries, capitals, major cities and bodies of water, but in a manageable size. Not recommended for children under 8 years of age.
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94114 MINI-GLOBE |
$14.95
EACH
Out of Stock. Check Back Soon! |
You choose between our 2" square classroom demonstration slides. The diffraction grating slide has 500 lines per mm resolution and a wavelength chart; the linear polarized filter slide has a 1-3/8" x 15/16" window. Nice for classroom and home-schooling use. Made in the USA.
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93902 DIFFRACTION SLIDE | |
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93903 POLARIZED SLIDE |
You can start with our single aluminum tuning fork, 2-tined and 7-1/2" long. It vibrates at 256 hz, and is labeled "C". Or you can order the set that has (8) forks and a mallet with a rubber-tipped plastic head. The forks are labeled low-C to high-C and come in a fitted, latched wooden box. Unfortunately, C.J., who has perfect pitch, tells us that his pitch is more perfect than most of the tuning forks. He also says you can file the tips, tuning them to an electronic keyboard until they're perfect - and we think there's a certain cachet to telling people you tuned the forks yourself. But they are perfect, if you're using them for things like teaching principles of sound or driving the chihuahua crazy.
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91185 TUNING FORK | |
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91772 TUNING FORKS, SET |
Why does it do that? Develop an elemental understanding of magnetism, electromagnetism, electrochemistry, radio, thermodynamics, light and optics. Simon Quellen Field's 228-page paperback, Gonzo Gizmos, Projects & Devices to Channel your Inner Geek explains processes, equipment and scientific terms -- and then, for starters, tells you things like how to make a rotary steam engine in 15 minutes from a soda can, a candle and a few scraps of rubber tubing. It's the favorite of our resident geeks -- but not for kids unless they're working with an adult. That would be a mature adult. An insured, mature adult.
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92339 GONZO GIZMOS |
And you could be the person drawing it with this set of 18, 1/16" fineline markers in the full spectrum of colors. Non-toxic, 5-3/8" long, with white caps and an affordable-by-starving-artists price.
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93762 FINELINE MARKERS |
And once you have them, they'll be the only erasers you'll ever knead. You get (3) 2-packs for a total of (6) 1-11/16" x 1-3/16" x 3/8" erasers, but once you start kneading them to make them self-cleaning, each will be a big lump of your own design. Meets the critical kneads of artists and designers, particularly if they do a lot of shading. Kneadless to say, a bargain.
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39622 KNEADED ERASERS |
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