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A Breakdown Of Caffeine (Chemical Molecules) Key Ring
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Aluminum Circle
+$7.90
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+$38.80
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A Breakdown Of Caffeine (Chemical Molecules) Key Ring
Educational chemistry humour comes alive on any of these gifts that feature the three primary metabolites of caffeine: paraxanthine, theobromine, theophylline. Says: "A Breakdown Of Caffeine". Includes the chemical structure of all three molecules. Molecular structure scientific attitude gifts for anyone who ingests caffeine!
Customer Reviews
4.6 out of 5 stars rating5.4K Total Reviews
5,449 Reviews
5.0 out of 5 stars rating
5 out of 5 stars ratingBy L.19 April 2012 • Verified Purchase
Metal Circle Keychain, 5.08 cm
Zazzle Reviewer Program
The product is very durable and light. The paint does not chip and will make an excellent gift. The colors are bright and clear not smeared or muddy it's great.
from zazzle.com (US)
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 Christina J.11 March 2024 • Verified Purchase
Premium Round Keychain, Large (5.397 cm)
These are a durable metal and the colors are vibrant. One of the clasp came broken but received a new one quickly. Customer service was responsive and quick to resolve the issue. They are bigger than I thought but still work for my wedding. I am satisfied with the print quality and surprised at how vibrant the colors are.
from zazzle.com (US)
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Product ID: 146092291829829147
Posted on 20/10/2009, 3:42 PM
Rating: G