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CA$16.35
per keychain
Quantum Superposition Keychain
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Style
Aluminum Circle
+CA$4.30
+CA$4.30
+CA$20.95
+CA$20.95
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Quantum Superposition Keychain
Quantum superposition is a fundamental principle of quantum mechanics that holds that a physical system, such as an electron, exists partly in all its particular theoretically possible states simultaneously but when measured or observed, it gives a result corresponding to only one of the possible configurations.
Customer Reviews
4.6 out of 5 stars rating5.5K Total Reviews
5,533 Reviews
Reviews for similar products
5.0 out of 5 stars rating
5 out of 5 stars ratingBy J.December 1, 2024 • Verified Purchase
Metal Circle Keychain, 5.08 cm
Beautifully made, picture has excellent qualiry. I just love it! Thank you!
5.0 out of 5 stars rating
5 out of 5 stars ratingBy Sabah P.April 12, 2023 • Verified Purchase
Metal Circle Keychain, 5.08 cm
Zazzle Reviewer Program
Exactly the same as the picture looks great! Perfect. It looks dark and is the same as the photos.
4.0 out of 5 stars rating
4 out of 5 stars ratingBy Joanne G.February 27, 2026 • Verified Purchase
Metal Circle Keychain, 5.08 cm
They are beautiful but the second batch the border was wider taking away from the picture.
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Other Info
Product ID: 146559514750006122
Designed on 2013-11-21, 1:40 PM
Rating: G