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Learners work in pairs to create three simple types of bridges, a beam bridge, an arch bridge, and a suspension bridge.

$1 - $5 per group Ages 11 - 14 1 to 2 hours
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Learners roll their fingerpads in ink pads, and then press their fingerprints onto balloons. Learners inflate the balloons to produce enlarged versions of their fingerprints.

1 cent - $1 per student Ages 4 - 14 5 to 10 minutes