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In this engineering design challenge, learners build an octopus-inspired suction pad that can grab an object and hold it tightly in the air.

$5 - $10 per student Ages 4 - 18 1 to 2 hours
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In this engineering design challenge, learners build an air-powered spinning machine.

$1 - $5 per group Ages 4 - 18 1 to 2 hours
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In this activity, learners will build the highest tower they can out of recycled materials.

free Ages 4 - 14 45 to 60 minutes
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In this activity, learners build bridges using paper and explore how much weight each bridge design can support.

1 cent - $1 per group Ages 4 - 11 45 to 60 minutes
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In this activity, learners build bridges and cantilevers in a series of "building out" challenges with straws and pins.

$1 - $5 per group Ages 4 - 14 1 to 2 hours
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Create airplanes from straws and geometric shapes. Test them out to see how far they can fly, or how accurately they can be aimed.

1 cent - $1 per student Ages 4 - 14 30 to 45 minutes
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In this activity, learners make bridges using an oil-based modeling clay (plasticene). The instructions include discussion questions for both before and after bridge building.

$1 - $5 per group Ages 4 - 11 30 to 45 minutes
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In this activity, learners make or use pre-made clay beams to scale and proportion. Specifically, they discover that when you scale up proportionally (i.e.

$10 - $20 per group Ages 4 - 14 45 to 60 minutes
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Learners design, build, and test models of "dragon boats" made from up to three milk cartons.

$5 - $10 per group Ages 4 - 14 30 to 45 minutes
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In this activity learners will build a neighborhood out of blocks and cardboard.

$5 - $10 per group Ages 4 - 11 45 to 60 minutes
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In this activity, learners will make a marionette puppet and put on a show. Learners will explore color, design, fabrication and storytelling through this activity.

$5 - $10 per group Ages 4 - 14 30 to 45 minutes
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In this activity learners will build roller coasters and test them using small balls or marbles.

$5 - $10 per group Ages 4 - adult 10 to 30 minutes
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In this activity, learners will engineer their own weather vane. This activity includes step-by-step instructions with pictures and a "What's Happening?" section explaining how the activity worked.

$1 - $5 per student Ages 4 - 11 5 to 10 minutes
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In this activity, learners will build ramps and test how the laws of physics apply do different objects. Learners will explore physics and cause and effect through this activity.

$1 - $5 per group Ages 4 - 14 45 to 60 minutes
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In this engineering design challenge, learners make a bird and then control its flight with attached strings.

$1 - $5 per group Ages 4 - 18 1 to 2 hours
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In this activity, leaners explore building techniques by recreating the story of The Three Little Pigs.

$1 - $5 per group Ages 4 - 14 45 to 60 minutes
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In this activity, learners are invited to imagine the park of their dreams!

$1 - $5 per group Ages 4 - 11 45 to 60 minutes
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In this activity, learners will explore engineering concepts to construct a blanket fort using materials sourced from home.

free Ages 4 - adult 10 to 30 minutes
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No glue is needed for learners of any age to become marshmallow architects or engineers.

1 cent - $1 per student Ages 4 - 14 30 to 45 minutes
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In this activity, learners engineer a paper helicopter that spins to the ground when dropped.

1 cent - $1 per student Ages 4 - 11 10 to 30 minutes