Time & Measurement
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The Story of Clocks and Calendars - Award-winning history book
Children will journey through time and across civilizations to learn how human beings have relied on calendars to tell us when to plant, harvest, and rest. Indexed, with cultural, science, and history references. Paperback, 48 pages. Learn More -
Maria Montessori Centenary Card Set
Ten picture/story cards celebrate Montessori’s life and work in beautifully reproduced photographs in collaboration with AMI/USA. Place and date labels; short related facts. Learn More -
Big Digit Stopwatch
Satisfy the young child’s need to understand the passage of time! Big buttons and easy controls allow children to use this timepiece without help. Three functions track units from 1/100 second to months. Learn More
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