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In this activity, learners build a game that tests their steadiness. Learners construct the game board by setting up an electrical circuit and a wand.

$5 - $10 per student Ages 6 - 11 10 to 30 minutes
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In this activity, learners build a carousel toy that spins when pushed down.

$5 - $10 per student Ages 8 - 18 45 to 60 minutes
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Learners use shop tools and various materials to construct a magnetic spinner and a compass.

$1 - $5 per student Ages 8 - 14 1 to 2 hours
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In this activity, learners discover that some things only stand up while they are spinning.

$1 - $5 per student Ages 8 - 14 1 to 2 hours
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In this activity, learners build an electric two-paddle boat using paint paddles, plastic knives, and empty water bottles.

$10 - $20 per student Ages 6 - 14 30 to 45 minutes
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Trick your family and friends with this creepy crawler that moves up and down. In this activity, learners construct a circuit and motor device that will move a homemade spider in a spooky way.

$5 - $10 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners construct a device that allows them to view 2-D images in 3-D.

Over $20 per student Ages 6 - 11 1 to 2 hours
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In this activity, learners build a tiny but powerful flashlight out of simple materials. Use this activity to introduce learners to electrical circuits and conductivity.

$5 - $10 per student Ages 8 - 11 10 to 30 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 build small animated toys that move.

$1 - $5 per student Ages 6 - 14 30 to 45 minutes
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In this activity, learners build a figure that moves and "comes to life" when they pull its string.

$1 - $5 per student Ages 6 - 14 1 to 2 hours
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In this activity, learners build a hot air balloon using just a few sheets of tissue paper and a hair dryer.

$1 - $5 per student Ages 6 - 18 30 to 45 minutes
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In this activity, learners build helicopters and launchers using wooden dowels and scrap paper. Use this activity to explore rotational motion and kinetic and potential energy.

$5 - $10 per student Ages 6 - 14 45 to 60 minutes
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In this activity, learners explore motion, energy, and electricity by constructing bottle cars that run on motors.

$10 - $20 per student Ages 11 - 18 45 to 60 minutes
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In this activity (posted on March 27, 2011), learners follow the steps to construct a mini zoetrope, a device that produces an illusion of action from a rapid succession of static pictures.

1 cent - $1 per student Ages 6 - 18 1 to 2 hours
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In this activity (posted on March 12, 2011), learners follow the steps to construct a spectroscope, a tool used to analyze light and color.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this activity (posted on March 14, 2011), learners follow the steps to construct a camera projector to explore lenses and refraction.

$5 - $10 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners construct speedy vehicles made out of paper plates and powered by twisted rubber bands.

$1 - $5 per student Ages 6 - 18 45 to 60 minutes
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In this activity, learners build simple alarms that they can attach to anything, such as a drawer or doorway. This activity introduces learners to electricity, circuits, and currents.

$5 - $10 per student Ages 6 - 11 45 to 60 minutes
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In this activity, learners build a bird that flies in place with help from a motor, wire, and some straws.

$5 - $10 per student Ages 6 - 14 30 to 45 minutes