abacus - Kids, Britannica Kids
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Long before the invention of the electronic calculator or the computer, people counted and did calculations with a device called an abacus. On this instrument, calculations…
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100 Bead Giant Abacus - Knowledge Builder
Abacus Kid's Concept
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Atlantic slave trade - Students, Britannica Kids
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India - Students, Britannica Kids
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Abacus, Learn To Count
Spanning a range of topics including animals, the body, machines, space and more, this book provides clear and accessible explanations – and even
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Britannica First Big Book of Why: Why Can't Penguins Fly? The Ultimate Book of Answers For Kids Who Need to Know WHY!
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Illustrated Encyclopedia, of Invention, Science Books, Library Decor, Staging Books, Educational Books, Kids Room Decor, 21 Book Stack
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intellectually disabled student - Students, Britannica Kids
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Giant Standing Abacus : : Toys & Games
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calculator - Students, Britannica Kids
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abacus - Kids, Britannica Kids
Little Bob 4 student, Rroni, doing +8~120 exercise, By Brainobrain Kosovë
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Hape, Rainbow Bead Abacus, Wood, 10 x 12 1/2 inches, Ages 3 & Older, Mardel