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$16.50
per keychain
Brain Rules! Green Head Version Keychain
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Style
Aluminum Circle
+$4.30
+$4.30
+$21.05
+$21.05
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About This Design
Brain Rules! Green Head Version Keychain
Your brain is the single most sophisticated piece of muscular organ you'll ever possess. Without it, you're no different from a vegetable or members of the Amoeba genus. 5 Reasons to Worship Your Brain Now:
> There are about 100 billion neurons in the human brain, the same number of stars in our galaxy.
> Our brain is about 2% of your total body weight but uses 20% of your body's energy.
> The energy used by the brain is enough to light a 25 watt bulb.
> 70,000 is the number of thoughts that it is estimated the human brain produces on an average day.
> More electrical impulses are generated in one day by a single human brain than by all the telephones in the world.
Need More Reason? Order it. Wear it. Prove that you respect for your brain!
Customer Reviews
4.6 out of 5 stars rating5.6K Total Reviews
5,602 Reviews
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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
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Product ID: 146687807791055767
Added on 20/7/10, 4:33 am
Rating: G