вторник, 24 октября 2017 г.

Exploring Symmetry in Nature: Hands-on math and science activity for kids of all ages using leaves, pinecones, flowers, and other natural materials. ~ BuggyandBuddy.com


Exploring Symmetry in Nature: Hands-on math and science activity for kids of all ages using leaves, pinecones, flowers, and other natural materials. ~ BuggyandBuddy.com

Original article and pictures take https://buggyandbuddy.com site

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