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CA$16.35
per keychain
Schrödinger Equation Keychain
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Aluminum Circle
+CA$4.30
+CA$4.30
+CA$20.95
+CA$20.95
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Schrödinger Equation Keychain
In quantum mechanics, the Schrödinger Equation describes how the quantum state of some physical system changes with time. It was published in 1926, by the Austrian physicist Erwin Schrödinger.
Customer Reviews
4.6 out of 5 stars rating5.5K Total Reviews
5,509 Reviews
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Beautifully made, picture has excellent qualiry. I just love it! Thank you!
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By Ali Y.February 4, 2026 • Verified Purchase
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Lovely & cute keychains i love them thank you sooo much ,they also reached to me soo fast 😍.
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4 out of 5 stars rating
By Joanne G.February 27, 2026 • Verified Purchase
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They are beautiful but the second batch the border was wider taking away from the picture.
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Product ID: 146845882056643427
Designed on 2013-11-21, 11:29 AM
Rating: G
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