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They once romped and stomped all over the continents of Earth. The oldest lived 230 million years ago; they all died out about 65 million years ago...

Were there really giant sloths? Are sponges animals or plants? Why can’t dogs be vegetarians? This deck asks the questions about life on Earth that...

The Highest, Deepest, Widest, Smallest, Heaviest, and Fastest Places and Living ThingsNot one for mediocrity, Mother Nature frequently pushes the e...

Start with a knack for anagrams. Multiply that by a way with numbers. Subtract from the result any morning or late-night fuzzyheadedness. You now k...

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

Ever wonder how “three sheets to the wind” came to mean inebriated? Why we gauge distance “as the crow flies” and say we’ve “put our foot in our mo...

Riddled with rhymes and rapt with wordplay, this deck of Knowledge Cards offers 48 enigmas that function as a brain gym in a box. With science reve...

Riddles are the oldest language game in the world. The 48 brain benders collected here will beguile all ages, feeding young minds and keeping old b...

Who can deny the satisfaction in coming up with the right words at the right time to put a rude, insulting, or otherwise unpleasant person in his o...

Everyone who ventures into the backcountry goes equipped with tips for preventing or treating the injuries and maladies that can arise there . . . ...

For more than two centuries, the U.S. Constitution has weathered unprecedented social, political, economic, and technological change with a vitalit...

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

This deck of 48 Knowledge Cards invites you to determine a location on the basis of certain clues. For example, “You’re looking at the longest, ski...

Once only angels and astronauts knew what our planet looked like from space. Today, thanks to satellites, we can peer down at nearly every square i...

With profiles drawn from the collections of the Library of Congress, these Knowledge Cards pay tribute to 48 inspiring women who have exhibited the...

Despite often daunting barriers, the women featured here became major achievers in fields ranging from the sciences to the arts, sports to entertai...

How does catnip work its magic on cats? Why do the ice cubes in my freezer often develop stalagmite-like spikes? Did any dinosaurs have poisonous s...

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

Kyung-Hwa Yu (Korean, 1983–2020) Snow Flower—Pine, 2015 Korean artist Kyung-Hwa Yu’s pine trees evoke peace, strength, and connection with the natu...

L. C. Armstrong (American, b. 1954) Rainbow Falls over Flora and Fauna, 2010 If hope is a rainbow, L. C. Armstrong’s Rainbow Falls over Flora and F...

Schooled in French Impressionism and filled with national pride, a small community of artists came together in 1920 to form the Group of Seven, who...

Lawren S. Harris (Canadian, 1885–1970) Montreal River Leading member of the Group of Seven, Lawren S. Harris saw art as a way to express spirituali...

Schooled in French Impressionism and filled with national pride, a small community of artists came together in 1920 to form the Group of Seven, who...

Surrealist painter Greg “CRAOLA” Simkins has made a name for himself with the fantastical realm that he calls the Outside—a world full of heroes, v...

Passion and ambition, insight and determination, shrewdness and courage: the 48 remarkable women profiled in these Knowledge Cards had them in spad...

The Kinngait Studios in Kinngait (Cape Dorset), Nunavut, are the oldest continually operating print studios in Canada, and collectors from around t...

Louis Sullivan is often called the father of modern American architecture and was influential in early skyscraper design. But it was his work on th...

Louis Sullivan’s designs stand—among stiff competition—as the preeminent exemplars of Chicago School architecture. He brought to his practice a con...

Louis Sullivan’s designs stand—among stiff competition—as the preeminent exemplars of Chicago School architecture. He brought to his practice a con...

Charley Harper (American, 1922–2007)Love from Above (detail) Attractively packaged in a recyclable plastic sleeve for protection. Size: 2.25 x 7.25...

Pierre-Auguste Renoir (French, 1841–1919) Luncheon of the Boating Party, 1880–1881 Pierre-Auguste Renoir (French, 1841–1919) is one of the most wel...

Paul Heussenstamm (American, b. 1949) Mandala Fruit Tree Paul Heussenstamm’s vibrant sacred art often features his signature motif, the mandala, a ...

Artist and teacher Paul Heussenstamm’s vibrant sacred art incorporates principles of many religious traditions, among them Buddhism, Hinduism, and ...

The vibrant sacred art of Paul Heussenstamm incorporates tenets from many religious traditions, among them Buddhism, Hinduism, and Christianity. Hi...

Ukrainian artist Marfa Tymchenko’s colorful, stylized art blurs the lines between representation and surrealism. Family Replenishment exemplifies h...

Groundbreaking educator and civic leader Mary McLeod Bethune is the statuesque central figure in Charles White’s mural for the Los Angeles Public L...

Masayoshi Mizuho interprets nature and traditional Japanese culture through a contemporary lens. Painted here in a wintry scene, the Japanese crane...

The music is playing, and the dance is about to begin. Russian artist Olga Suvorova takes us to a 16th-century Italian theatrical comedy in her lav...

From beagles and bobcats to tigers and toucans—animal-loving youngsters can find their favorites and sharpen their memory skills by matching 36 ima...

Sharpen your recall with this two or more player game. Using 36 of designer Christopher Marley’s incredible insects. This memory game includes imag...

Michelangelo di Lodovico Buonarroti Simoni, known simply as Michelangelo, was a child prodigy who became one of the most revered artists in history...

Artist Mimi Vang Olsen travels the world, meeting with cats and gathering the information she needs to create her colorful and folksy pet portraits...

Eric Wert’s still lifes nearly vibrate with saturated color and decadent detail that somehow exceeds the limitations of realism. In Mola Salsa, a s...

Twenty assorted 5 x 7 in. blank notecards (5 each of 4 designs) with envelopes in a decorative box. Taking us by the hand, Molly Hashimoto leads us...

Seattle-based artist Molly Hashimoto creates stunning images of the landscapes and wildlife she encounters in the national parks and wilderness are...

The natural world is a source of wonder and delight, and Molly Hashimoto’s vivid portrayals of birds remind us to pause and enjoy. Be still and eng...

Molly Hashimoto’s vivid portrayal of the natural world offers a source of wonder and delight that reminds us to be still and engage our senses. Sha...

Molly Hashimoto (American, b. 1951) Crow and Moon While hiking America’s national parks and wilderness areas, artist and naturalist Molly Hashimoto...