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Summer SALE!

Explore some of our favorite educational activities!
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    $19.95
    $19.95 - $19.95
    $19.95
    $8.99
    $8.99 - $8.99
    $8.99

    Solar Cell Demonstrator

    Low stock

    Demonstration solar cells this is a great desktop item and attention-getter. Four powerful solar cells are mounted on a revolving disk and motor. ...

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    $19.95
    $19.95 - $19.95
    $19.95
    $8.99
    $8.99 - $8.99
    $8.99
    Save 55% Save %