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Align four color transparencies, each one a single color (cyan, magenta, yellow, and black), and see a beautiful full color image.

1 cent - $1 per student Ages 6 - 14 Under 5 minutes
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In this activity, "write" a secret message in genetic code as beads on a string.

$1 - $5 per student Ages 11 - 18 30 to 45 minutes
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Experiment with friction and make bearings for a whirligig! This activity is a nice introduction to friction and bearings and demonstrates why bearings are useful for spinning.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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In this design challenge activity, learners build a car that uses a battery-operated motor to "drive" at least ten feet.

$5 - $10 per student Ages 8 - 14 30 to 45 minutes
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This activity is a hit for family events and all ages—some will finish in 45 minutes; others can go on for hours.

1 cent - $1 per group Ages 6 - 14 45 to 60 minutes
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Experiment with force and pressure by building a balloon rocket. When launched, the balloon will run a track wherever you place the string.

1 cent - $1 per student Ages 4 - 11 30 to 45 minutes
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Learners design and build a roller coaster using simple materials. Learners experiment with potential and kinetic energy to get a marble to follow a track into a cup.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners make critters out of recyclables and apply the rules of mathematics to solve genetics problems.

$5 - $10 per group Ages 14 - 18 45 to 60 minutes
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In this engineering activity, learners design and build a mechanical arm to lift a small item.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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In this math activity, learners use what they know about shapes to copy a friend's hidden picture. Learners create a design out of pattern blocks and then hide their picture behind a screen.

1 cent - $1 per group Ages 8 - 11 10 to 30 minutes
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In this activity, learners make a small batch of biodiesel that will work in any diesel engine. Learners use an old juice bottle as a "reactor" vessel to chemically process vegetable oil into fuel.

$10 - $20 per group Ages 14 - adult 1 to 7 days
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In this activity, learners explore how pens have been engineered and re-engineered over time. Learners work as a team to develop a working pen out of everyday items.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore how parachutes are used to slow down moving objects. Learners work in teams of "engineers" to design and build their own parachutes out of everyday items.

$5 - $10 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore the relative efficiency of different bulbs, specifically incandescent vs. fluorescent.

Over $20 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners incorporate a simple switch into a battery/bulb circuit. Learners will use their knowledge of circuits to design and make their own switches using common materials.

$10 - $20 per group Ages 8 - 11 45 to 60 minutes
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In this activity, learners explore clouds and how they form.

$1 - $5 per group Ages 8 - 18 5 to 10 minutes
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Learners explore magnetism and motion as they build a simple marble run. Learners test different arrangements of plastic and cardboard tubes, bottles, and cups on a magnetic board.

$5 - $10 per student Ages 6 - 14 1 to 2 hours
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In this activity, learners test the rate of ripening fruit and vegetables and use a chemical to inhibit the ripening process.

$10 - $20 per group Ages 8 - 14 1 to 2 hours
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In this activity, learners explore how the process of folding has impacts on engineering and is evident in nature.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this engineering activity, learners build a device (an anemometer) to measure how fast the wind is blowing.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes