Tip - How Mood Rings Work

Published 9 years, 1 month(s) ago | Submitted by Fawn Towne

Mood rings have a stone that changes color depending on your emotions. Learn how mood rings work.

For further reading: http://chemistry.about.com/od/chemistryfaqs/f/moodring.htm

Posted: 9 years, 1 month(s) ago

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