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Personal Pinhole Theater
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Have you ever heard of a camera without a lens? In this activity, learners create a pinhole camera out of simple materials. They'll see the world in a whole new way: upside down and backwards!

Rainbow in the Room
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This activity generates learner excitement about light through the creation of a room-sized rainbow.

Glitter Slime
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In this activity on page 8 of the PDF, learners make a slimy substance very similar to mucus, and sprinkle it with glitter to imitate the way that allergens are trapped.

Apartment Buildings and More
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In this engineering activity, young learners investigate multi-level buildings.

Tiny Pants Photo Challenge
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In this activity, learners use a simple trick of perspective to dress friends in tiny cutout clothing. Learners make tiny pants out of card stock and tape them to the end of a stick.

Glitter Globe
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This activity shows learners (with adult supervision) how to make a Glitter Globe, a fabulous toy that shimmers when you shake it.

Energetic Musical Instruments
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Learners design and create musical instruments from common objects; their challenge is to create an instrument that can make three different tones.

Making Circuits
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In this activity, learners explore electricity and conductivity to find that many things conduct electricity including copper, pencil lead, fruit, play-doh, and even people!

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.

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.

How Many Pennies?
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In this activity (pages 13-14), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.

Origami Flying Disk
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In this three-part activity, learners use paper to explore Bernoulli's Principle — fast-moving air has lower pressure than non-moving air.

Paper Airplanes
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In this activity, learners explore the properties of paper by constructing and modifying paper airplanes.

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

Electromagnetic Dancer: Connect Her Up and Watch Her Dance!
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In this activity, learners use a nail and magnet wire to build an electromagnet, which controls the movements of a paper dancer.

Bouncing Yo-Yo
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In this activity, learners build unique yo-yos, which spin round and round without moving up and down.

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.

Trebuchet Toss
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In this activity, learners explore trebuchet design. Teams of learners construct trebuchets from everyday materials.