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From the collections of the National Portrait Gallery, paintings, prints, and photographs of 45 American presidents are brought together in this de...

Here we have a truly killer Q&A deck! It’s a good set of mental monkey bars for individuals who want to keep their powers of memory in fit cond...

Facts That Fit in Your Hand: 48 Amazing Dinosaurs Inside! All about dinosaurs: a card deck of fun facts that fit in your hand! Enter the world of d...

Facts That Fit in Your Hand: 49 Sea Creatures Inside! Take a deep dive with a card deck of fun facts that fit in your hand!Explore the ocean world’...

Ever wonder why horseshoes are considered lucky and umbrellas opened inside are unlucky? Or where the high five came from? Why brides wear white an...

Before the science of pharmacology was confined to the laboratory, all medicines were remedies made from plant materials. Healers—from the Neolithi...

As America has made its raucous way from calamity to glory to debacle to triumph, certain former cow pastures, unsuspecting streetcorners, and publ...

Pristine diamonds, radiant rubies and sapphires, and other gorgeous gems captivate us with their extraordinary beauty and brilliance. But beyond th...

Past meets present in this comprehensive and eye-opening deck of quiz cards on Native American history and culture. Trying to describe a group comp...

Published with: the Library of Congress This deck of 48 Knowledge Cards offers a concise illustrated history of the civil rights movement and a cha...

Much more than a simple chart, the periodic table of elements identifies and categorizes chemical elements. But what exactly is an element? What do...

The ancient Greeks were not the first to invent gods to explain Earth’s creation or natural phenomena, but they were the first to fashion them in t...

Everyone who ventures into the backcountry goes equipped with tips for preventing or treating the injuries and maladies that can arise there. Don’t...