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In this activity, learners explore the potential of interchangeable standard parts to create a large number of unique creations in different combinations.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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This is a quick game about self-assembly (page 2 of PDF under Self-Assembly Activity). Like the molecules of DNA, learners will self-assemble into a pattern by following a simple set of rules.

free Ages 8 - 14 10 to 30 minutes
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In this activity, learners explore how engineers have improved roofing designs and materials in order to protect the contents of buildings.

$10 - $20 per group Ages 8 - 18 1 to 2 hours