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"Hit Me Again. I'm Still Stupid."

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 a plastic case. 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.

93185 ELEMENTAL CARDS
$14.95 EACH
93408 HUMAN BONE CARDS
$7.95 EACH

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Go Ballistic

Nothing to it with William Gurstelle's "Backyard Ballistics," a soft-cover, 169pp compendium by an engineer on constructing rockets, cannons (carbide and spud), flingers, tennis ball mortars, balloons, fire kites, and other intriguing devices, all with common household materials. The detailed text includes parts lists, illustrated instructions, photos and quite sensible and necessary safety precautions. From Chicago Review Press.

92823 BACKYARD BALLISTICS
$16.95 EACH

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Billions And Billions

Carl Sagan's Emmy-winning Cosmos in (13) one-hour episodes in a 7-DVD boxed set. This Collectors' Edition of the complete TV series has been digitally remastered and enhanced with updates and new footage. Includes the original English soundtrack plus (7) other languages with English subtitles. Remember: it's Carl's cosmos, we just live in it.

93648 COSMOS DVD SET
$109.95 EACH

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Wind-Up Wagons

We love obsessives. Mike Rigsby, author of Amazing Rubber Band Cars (124pp, soft cover) has spent way too much time designing and building rubber band cars. His book has designs for (13) rubber band cars, all built from simple materials (cardboard, pencils, a few CDs, and the eponymous rubber bands) and made for speed, distance, or goofiness. Well-illustrated, with easy-to-follow directions, it culminates with a giant, you-can-sit-in-it car that he swears will work. Send us a picture.

93617 RUBBERBAND BUGGIES
$12.95 EACH

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The Moon Is Waxing Gibbous

And Gibbous never looked better. See this and 99 other celestial phenomena with our deck of night-sky spotter cards: "100 Things to Spot in the Night Sky." You get 56 double-sided, 6" x 3-7/8" cards illustrating the heavenly hundred plus (3) different star-finder cards, northern and southern sky maps, and a glossary. Imagine yourself outside one night, announcing: "Kids! Look! The moon is waxing gibbous again!"

93569 SKY SPOTTER
$9.95 EACH

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Stupid Electronic Tricks

Amaze your friends, occupy your students, and amuse yourself with "HAYWIRED - Pointless (Yet Awesome) Projects for the Electronically Inclined." This soft-cover, 208pp book by Mike Rigsby has plans for (7) electronic and motor projects (including making moving eyeball pictures, talking greeting cards, and a battery-less flashlight), plus tips for wire-wrapping, soldering, and using a multimeter. With heavily illustrated, step-by-step instructions.

93682 HAYWIRED
$16.95 EACH

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Web-Linked Astronomy

This 96pp, full-color, heavily illustrated book, "The Usborne Internet-Linked Book of Astronomy & Space," is written with a quick-link to the publisher's website, where there are updated links to internet sites that correspond to specific pages of the text. Sections include the solar system, stars, constellations, telescopes, photography and a plethora of astronomical facts and lists. From Usborne Publishing.

93704 ASTRO BOOK
$14.99 EACH

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Trebuchets Beaucoup

Feel like launching something? This very well done 174pp, soft-cover book--"The Art of the Catapult," from Chicago Review Press--is full of history, lore and detailed building instructions for all of your better siege engines: ballistae, onagers, trebuchets and catapults. Quite suitable for those medieval school projects. The peace-loving bonus at the end contains instructions for making a "basket-pult," a table top basketball game, complete with backboard. By William Gurstulle.

92822 ART OF CATAPULT
$16.95 EACH
 

Got Budding Scientists?

Encourage their growth with "The Story of Science" (Usborne Books/UDC Publishing, 2009). It's a 96pp history of science for kids ages 7 and up, written by Anna Claybourne and packed with kid-friendly illustrations by Adam Larkum (of Puffin Books). Remarkably comprehensive, it covers geology, the solar system, physics, chemistry, biology, medicine and many more discoveries and theories. Includes a full glossary and Internet links. A nice addition to your home-school library.

93714 SCIENCE BOOK
$10.99 EACH

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Junior Science Library

Just the ticket for tyro scientists, these 40pp, hard-cover books are from the Thompson/Gale "Routes of Science" series. Full of color illustrations and photos and with a wealth of sidebars, they cover the basics and history of electricity, gravity, geology and light, including mini-biographies of important figures. Originally priced at over $20 each.

37674 ELECTRICITY
$3.25 EACH
37676 GEOLOGY
$3.25 EACH
37675 GRAVITY
$3.25 EACH
37677 LIGHT
$3.25 EACH

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Bound Anatomy Charts

Plus illustrated disease explications. "The Complete Portfolio of Human Anatomy and Pathology" has (50) full-color, laminated charts on heavy stock, and more than (425) illustrations dense with information and insets. Spiral-bound between hard covers, the 11" x 14" charts are all individually removable. A wonderful reference book from Scientific Publishing, Ltd.

93008 ANATOMY BOOK
$39.95 EACH

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