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In this simple and fun activity, learners build a tower of cups to explore distribution of weight. Learners make predictions about their towers and test their designs.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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In this engineering/design/arts and crafts activity, learners design and build "platforms" or "bridges" that can hold weight, and test which glue makes the strongest structure.

$1 - $5 per student Ages 6 - 14 1 to 2 hours
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In this robotics activity, learners drive a remote-controlled car through a course to learn the challenges faced while trying to operate a planetary rover.

1 cent - $1 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore how environmental engineers might approach solving the problem of an oil spill.

Over $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore how engineering has developed various means to remove impurities from water.

$10 - $20 per group Ages 8 - 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 challenged to design and construct a trophy for prize-winning sports equipment.

$5 - $10 per group Ages 8 - 18 10 to 30 minutes
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The goal of this Star Wars activity is to design and build a balancing device to help an Ewok escape the Imperial Forces by sliding down a tightrope to safety.

$10 - $20 Ages 8 - 18 30 to 45 minutes
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With a bit of PVC, a laser, a can/cup, and a small mirror, you can make a device that visualizes you voice or any sound transmitted into the cup/can.

free Ages 8 - adult 10 to 30 minutes
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In this activity, learners evaluate the potential performance of air rockets placed inside a wind tunnel.

Over $20 per group Ages 8 - 18 45 to 60 minutes
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Learners will build and experiment with their own windmills made from simple household materials.

$10 - $20 per group Ages 6 - 14 30 to 45 minutes
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In this activity, learners build a simple mechanism that regulates the "escape" of energy released by a falling weight by portioning it into discrete amounts.

$1 - $5 per student Ages 11 - 18 45 to 60 minutes
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Each group of learners uses everyday materials, such as paper, toothpicks, and tape to design and construct a structure intended to support the weight of a cinder block for 30 seconds.

$1 - $5 per group Ages 11 - 14 1 to 2 hours
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In this activity, learners are introduced to challenges of maintaining temperatures while living in space.

$5 - $10 per group Ages 14 - 18 1 to 7 days
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This is an activity (located on page 3 of the PDF) about the mixture of materials in bone and how they affect its strength.

$10 - $20 per group Ages 8 - 14 2 to 4 hours
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In this activity, a group of learners work collaboratively to design and construct a paper model showing the evolution of an environment through multiple stages, from prehistory through the modern cit

$1 - $5 per student Ages 8 - 14 1 to 4 weeks
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In this activity about human interface design issues, learners help the Oompa-Loompas of a great chocolate factory solve different problems.

free Ages 8 - 18 1 to 2 hours
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In this environmental science lesson, learners will examine hazardous chemicals and their effects on human health and the environment.

1 cent - $1 per group Ages 14 - 18 1 to 2 hours
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Learners build structures from spaghetti and marshmallows to determine which structures are able to handle the greatest load.

$1 - $5 per group Ages 11 - 18 30 to 45 minutes
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Hooray! In this design challenge activity, learners invent a device that launches a spoonful of confetti into the air. Learners are encouraged to create the biggest cloud of confetti possible.

$5 - $10 per group Ages 8 - 14 30 to 45 minutes