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Zig Zag Bopper
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In this activity, learners build a machine made of craft sticks to multiply the levering motion of their hands and create a device that bends and extends.

Marble Game
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In this activity, learners construct a simple game to test their hand-eye coordination and steadiness of hand.

Polymers are Chains (K-2)
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In this activity, learners make a paper model of a polymer, then make Silly Putty, an actual polymer.

Animal House
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The goal of this activity is to design, build and test a house or toy for an animal.

Eye Spy
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This fun activity uses simple materials such as milk cartons and mirrors to introduce the ideas of optics and visual perception.

Motor Bird
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In this activity, learners build a bird that flies in place with help from a motor, wire, and some straws.

Sound Representation: Modems Unplugged
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In this activity, learners listen to songs and decode hidden messages based on the same principle as a modem. As a final challenge, learners decode the binary messages in a music video.

Ice Cream Shake
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In this tasty activity, learners make their own ice cream any day of the year in an exploration of heat and cold. Highlights include freezing and melting and the transition from liquid to solid.

Blow It Away
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In this activity, learners design wind-powered cars out of simple household materials. Students have fun designing and then racing their vehicles around the room.

Wind Works!
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Learners will build and experiment with their own windmills made from simple household materials.

Radial Chromatography
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How many colors make black? Gather as many water soluble black markers as you can find.

Zipline
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In this design activity, learners create a vehicle that can transport a load, like a favorite toy or as a recycled object, from the top of a zipline to the bottom using only gravity.

Sound Off!
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This activity includes several games about animal sounds. Using their sense of hearing and communicating with various kinds of noisemakers, learners role-play predator and prey.

Kimchee Fermentation Chamber
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Learners make kimchee or sauerkraut, which is really just fermented cabbage, in a 2-liter plastic bottle.

Draft Detectives
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In this two part activity, learners become draft detectives by constructing their own draft catchers to detect drafts around windows or doors.

Musical Sculpting Machine: Squeeze Play-Doh to Make Music
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Play-Doh is conductive! Use the semiconductive qualities of Play-Doh to make your own squeezable instrument. Pico Cricket is required.

Spinning Illusions
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In this activity, learners construct three optical illusion toys to examine how our brains play tricks on what we see.

Wind Tunnel
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Scientists use enormous wind tunnels to test the design of planes, helicopters, even the Space Shuttle.

Copper Cleanup
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In this hands-on experiment, kids use chemistry to explore whether acids or bases are better at restoring a penny’s shine.

Skewers and Garden Poles
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In this activity, learners build scaled-down structures and cantilevers in a series of "building out" challenges with bamboo skewers and tape.