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Get 40 STEM challenge cards plus instructions for just $7 (a $14 value!)

That's less than 20 cents per challenge!

Middle School STEM Challenges$7

Don’t miss the companion set!

Special one-time offer just $3
Get the set of Middle School LEGO STEM challenges!

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    Middle School STEM Challenges$7

    • Total payment
    • 1xMiddle School STEM Challenges$7
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