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Centre of Gravity (CofG) Coaster

4.6 out of 5 stars rating
506 Total Reviews |
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    About Coasters

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    Sandstone CoasterCreate your own from scratch

    Style: Sandstone Drink Coaster

    Mom always told you to use a coaster, so make her happy by using one from Zazzle! Made to keep your tables scratch-and-moisture-free, our sandstone coasters have a cork backing, so you can use them on any surface. They also have a matte finish and work best with vintage illustrations, black-and-white photos, and personal text messages.

    • Dimensions:
      • Diameter: 10.8 cm
      • Thickness: 0.6 cm
      • Weight: 110 g.
    • Made of sandstone with a cork pad backing
    • Not dishwasher safe
    Creator Tip: To ensure the highest quality print, please note that this product’s customisable design area measures 10.8 cm x 10.8 cm. For best results please add 0.3 cm (1/8") bleed.

    About This Design

    Centre of Gravity (CofG) Coaster

    Centre of Gravity (CofG) Coaster

    The one and only CofG Coaster. Popularized 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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    Customer Reviews

    4.6 out of 5 stars rating506 Total Reviews
    396 total 5-star reviews70 total 4-star reviews20 total 3-star reviews7 total 2-star reviews13 total 1-star reviews
    506 Reviews
    Reviews for similar products
    5.0 out of 5 stars rating
    5 out of 5 stars rating
    By Joe P.March 27, 2026 • Verified Purchase
    These are lovely coasters and a great size.
    5.0 out of 5 stars rating
    5 out of 5 stars rating
    By BobNovember 3, 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 rating
    By KariMay 13, 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

    Tags

    cofgcoastermythbusterscentre of gravityphysicsgeekscienceaviationflightaeronautics

    Other Info

    Product ID: 174838901361388967
    Designed on 2014-01-26, 4:57 AM
    Rating: G