Tap / click on image to see more RealViewsTM
$17.30
per keychain
Schrödinger Equation Key Ring
Qty:
Style
Aluminum Circle
+$4.55
+$4.55
+$22.20
+$22.20
About Keychains
Sold by
About This Design
Schrödinger Equation Key Ring
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 rating5.6K Total Reviews
5,592 Reviews
Reviews for similar products
5.0 out of 5 stars rating
5 out of 5 stars ratingBy Ali Y.4 February 2026 • Verified Purchase
Metal Circle Keychain, 5.08 cm
Lovely & cute keychains i love them thank you sooo much ,they also reached to me soo fast 😍.
from zazzle.com (US)
5.0 out of 5 stars rating
5 out of 5 stars ratingBy T.29 May 2025 • Verified Purchase
Metal Circle Keychain, 5.08 cm
A huge big THANK YOU to the designer Little Linda Pinda. This was a special order and it turned out so lovely. Very happy. And the delivery was super quick too.
5.0 out of 5 stars rating
5 out of 5 stars ratingBy cindy t.8 November 2023 • Verified Purchase
Metal Circle Keychain, 5.08 cm
Zazzle Reviewer Program
Product quality is great, art work is perfect.
Would highly recommend.
Fast turn around, I was surprised they arrived so quickly, as I had a fairly large order. Perfect, centred and exactly what I wanted
Tags
Other Info
Product ID: 146845882056643427
Added on 21/11/13, 11:29 am
Rating: G