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Showing results 1 to 13 of 13

Cranking Bird
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In this activity, learners build a mini crank machine to make a bird "fly." This engineering activity introduces learners to automata, rotational motion, cranks and cams.

Cardboard Opaque Projector
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In this activity, learners construct a projector out of cardboard to view their favorite images (such as storybook illustrations) on the wall.

Lever Cowboy
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In this activity, learners build a figure that moves and "comes to life" when they pull its string.

Cardboard Box Camera Obscura
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In this activity, learners construct a device that projects images onto a surface, so they can trace landscapes and other sights.

Bike Wheel Zoetrope
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In this activity (posted on April 18, 2011), learners follow the steps to construct a zoetrope, a device that produces an illusion of action from a rapid succession of static pictures, using a 16" bik

Mini Zoetrope
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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.

Hydraulic Car
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In this activity, learners build cars using syringes and water-powered hydraulics. Learners construct the car frame out of cardboard and set up a hydraulic system to raise and lower the car.

Marble Drop Game
Source Institutions
Build your own version of a favorite carnival game, in which a marble races down a maze consisting of rows of nails.

Gymnast
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In this physics activity, learners build a toy with a figure that spins around like a gymnast on the high bar.

Geometry Construction: Polyhedral Playthings
Source Institutions
In this activity, learners create 3D geometric shapes using straws and pipe cleaners.

Magnetic Spinner & Compass
Source Institutions
Learners use shop tools and various materials to construct a magnetic spinner and a compass.

Tops
Source Institutions
In this activity, learners discover that some things only stand up while they are spinning.

Stereoscope
Source Institutions
In this activity, learners construct a device that allows them to view 2-D images in 3-D.