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Get 40 elementary STEM challenge cards plus instructions for just $9 (a $20 value!)

That's less than 20 cents per challenge!

Elementary Challenge Cards with Instructions$14

Don’t miss the companion set!

Special one-time offer just $12
Get the e-book of 20 science experiments you can do in 5 minutes or less! Instructions, full-color photos, and worksheets included!

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    Elementary Challenge Cards with Instructions$14

    • Total payment
    • 1xElementary Challenge Cards with Instructions$14
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