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Design a Microexpression Zoetrope
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In this engineering design challenge, learners animate a facial expression and make a machine (zoetrope) that plays the animation back.

Kinetic Sculpture: Program the Pico Cricket to Make Your Art Light Up or Spin
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Use a Pico Cricket (micro-controller) to animate your art! You can program a Pico Cricket to make your art spin, light up, or make music.

Subtractive Paint Prints
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In this activity, learners of all ages will experiment with paint and printmaking.

Make Maracas
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Make a rattle-like musical instrument! Shake it, hit it, spin it any way you want to!

Loopy Geometry
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Discover geometry by creating shapes from loops of paper. In this activity, paper loops transform to give you totally new structures when you cut them.

Build Your Own Robot Arm
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In this lesson, learners develop a robot arm using common materials. Learners explore design, construction, and teamwork, as well as materials selection and use.

Engineering Parachutes
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In this activity, learners will become an engineer by designing and engineering a miniature parachute.

Iridescent Art
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This is a quick activity (on page 2 of the PDF under Butterfly Wings Activity) that illustrates how nanoscale structures, so small they're practically invisible, can produce visible/colorful effects.

Paper Animals
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This resource contains ideas and brief instructions on how to build animals out of construction paper and other simple materials.

Space Stations: Sponge Spool Spine
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In this activity, learners simulate what happens to a human spine in space by making Sponge Spool Spines (alternating sponge pieces and spools threaded on a pipe cleaner).

Patterns and Relationships: Peddling Petals
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In this math lesson, learners use the setting of a flower-making fundraiser to explore a variety of patterns. Learners examine the patterns in a flower design made of triangles surrounding a square.

Fossils: Observing, Making and Learning
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In this activity, learners explore how casts of fossilized bones are created and used to learn about dinosaurs. Learners make observations, draw diagrams and share their findings.

Universal Indicator Rainbow Trout
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In this activity on page 2 of the PDF, learners discover how color changes can help scientists distinguish between acids and bases.

Make a Tikiville Teepee
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In this great hands-on activity, learners use patterns to make a teepee from newspaper that they sit inside.

Exploring Materials: Thin Films
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In this activity, learners create a colorful bookmark using a super thin layer of nail polish on water. Learners discover that a thin film creates iridescent, rainbow colors.
Soaring Towers: Building with Recycled Materials
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In this activity, learners will build the highest tower they can out of recycled materials.
Moving Pictures
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In this optics activity, learners create flip books by drawing an image like an eye opening and closing on 24 small pages of paper.

The Poor Cartographer: Graph Coloring
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In this activity, learners help a poor cartographer color in the countries on a map, making sure each country is colored a different color than any of its neighbors.

Pico Cricket Compass
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Learners can program a compass to draw a circle by itself using a Pico Cricket, some Legos, and lots of tape! Pico Cricket is required.

It's All About Birds
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In this activity, learners create their own bird species using arts and crafts materials. The bird call recordings are not online so the introduction activity can't be done, but everything else can.