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Help
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, withing 24 hours on weekdays.
Customer service
All questions about your order, return and delivery must be sent to our customer service team by e-mail at yourstore@yourdomain.com
Sale & Press
If you are interested in selling our products, need more information about our brand or wish to make a collaboration, please contact us at press@yourdomain.com
As young readers journey into the natural world, they will discover that numbers, patterns, shapes and much more! can be found in everyday plants and animals. What if animals and plants knew math, just like us? Would snowflakes all fall from the same height in the sky? Would otters spread themselves evenly across lakes? Would groundhogs be aware of the date? In Sizing Up Winter, the third title in the Math in Nature series, nature comes to life to help children grasp concepts of time and measurement.
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birth defects, or other reproductive harm.
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⚠️ California Proposition 65 Warning: Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.