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Cosmic Education

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  1. ICS Clock of Eras

    ICS Clock of Eras - From Azoka Company

    Revised in 2014 this version has new colors based on information from the International Commission on Stratigraphy. Looking at “cosmic hours,” children have another way to grasp the concept of the relative amounts of time it took for Earth to form and for different types of life to develop. Learn More
    $45.00
    EM105
    25 In Stock

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