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CA$24.70
per keychain
Present Is A Relative Concept (Light Cone Physics) Keychain
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Aluminum Circle
+CA$6.45
+CA$6.45
+CA$31.60
+CA$31.60
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Present Is A Relative Concept (Light Cone Physics) Keychain
Do you often wonder where you are on the time-space continuum? Wonder no further with any of these physics humour geek attitude gifts featuring exactly where an observer is in the present, between the future light cone and past light cone. Make others do a double-take with any of these educational, scientific truism saying gifts which notes that "Present Is A Relative Concept"!
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4.6 out of 5 stars rating5.5K Total Reviews
5,516 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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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: 146301347310020903
Designed on 2010-06-13, 3:12 PM
Rating: G
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