Get the Elementary Challenge cards for 50% off!

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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 Plus Instructions$7

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 Plus Instructions$7

    • Total payment
    • 1xElementary Challenge Cards Plus Instructions$7
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