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$21.90
per coaster
Centre of Gravity (CofG) Coaster
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About This Design
Centre of Gravity (CofG) Coaster
The one and only CofG Coaster. Popularised by Mythbusters, and used for decades by science geeks, rocket scientists and aviators alike. Get a piece of this amazing design and you'll be sure to have your coffee table or desk balanced!
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4.6 out of 5 stars rating502 Total Reviews
502 Reviews
Reviews for similar products
5.0 out of 5 stars rating
5 out of 5 stars ratingBy Gravityx9 D.21 May 2026 • Verified Purchase
Sandstone Coaster
Creator Review
Bright and colorful! The printing is nice and crisp. True to color as seen on the webpage. The cork backing is well placed and there are no loose edges. I love this sandstone coaster! I would recommend this product for gifts, stocking stuffers, or for yourself!
from zazzle.com (US)
5.0 out of 5 stars rating
5 out of 5 stars ratingBy B.3 November 2012 • Verified Purchase
Sandstone Coaster
Zazzle Reviewer Program
surprisingly good quality......not just a casual gift. sharp and appropriate
from zazzle.com (US)
5.0 out of 5 stars rating
5 out of 5 stars ratingBy K.13 May 2024 • Verified Purchase
Beautiful horse drawing on this coaster makes it a great conversation piece. Artist is very talented! The printing Zazzle did is nice and crisp, but not as black as I would have liked and the edges had some execess on them But some sandpaper fixed the issue
from zazzle.com (US)
Original product
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Product ID: 174838901361388967
Added on 26/1/14, 4:57 am
Rating: G