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In this activity, learners model erosion using a clear shoebox and sand or soil.

$5 - $10 per group Ages 8 - 11 1 to 2 hours
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In this design-based lesson, learners study flood dynamics as they modify a riverbed with blockages or levees to simulate real-world scenarios.

Over $20 per group Ages 11 - 14 1 to 2 hours