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In this activity, learners explore accuracy and precision.

Over $20 per group Ages 8 - 18 2 to 4 hours
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This activity (on page 2 of the PDF under GEMS Activity) is a full inquiry investigation into technology design and testing.

Over $20 per group Ages 8 - 14 2 to 4 hours
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In this engineering activity, learners design and build a mechanical arm to lift a small item.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes