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$21.90
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Centre of Gravity (CofG) Coaster

4.6 out of 5 stars rating
503 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. 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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    Customer Reviews

    4.6 out of 5 stars rating503 Total Reviews
    392 total 5-star reviews69 total 4-star reviews20 total 3-star reviews7 total 2-star reviews15 total 1-star reviews
    503 Reviews
    Reviews for similar products
    5.0 out of 5 stars rating
    5 out of 5 stars rating
    By Bob3 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 rating
    By 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 rating
    By Michele D.14 May 2018 • Verified Purchase
    Sandstone Coaster
    Zazzle Reviewer Program
    Excellent service and great product. Printing is perfect. Couldn't do it myself

    Tags

    Coasters
    cofgcoastermythbusterscentre of gravityphysicsgeekscienceaviationflightaeronautics
    All Products
    cofgcoastermythbusterscentre of gravityphysicsgeekscienceaviationflightaeronautics

    Other Info

    Product ID: 174838901361388967
    Added on 26/1/14, 4:57 am
    Rating: G