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In this activity, learners explore the possibilities of clay as a natural material.

$5 - $10 per group Ages 4 - 11 30 to 45 minutes
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In this activity, learners construct drawing machines using a cup, some markers, and a cricket to control the movement. A programmed LEGO RCX or Cricket is required for this high-tech version.

$1 - $5 per student Ages 8 - 14 45 to 60 minutes