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DIY Science Projects

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  • Step 3

    Using 'special plastics' glue, fix the ball bearing on the other side of the CD exactly in the center.

     

    {#lang_bricoWikiWarnings_warning} Put the glue only on the outer edge of the ball bearing. Press for a long time (3-4 min) for it to hold well, then add more glue around the outside of he ball bearing.

     


    Original size

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