Get the Christmas STEM Challenge Cards for 65% off!

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Christmas Challenge Cards with Instructions$7

Plus, get the MEGA STEM challenge card bundle!

Over 500 STEM challenges with directions!

Add to your order today for just $54, that's 60% off retail!

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    Christmas Challenge Cards with Instructions$7

    • Total payment
    • 1xChristmas Challenge Cards with Instructions$7
      -+
    • Mega STEM Challenge Card Bundle$54

    All prices in USD

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