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In this design challenge activity, learners build a boat that can hold 25 pennies (or 15 one inch metal washers) for at least ten seconds before sinking.

In this activity, learners will repurpose an old t-shirt to create their own yarn or string.

In this design challenge activity, learners build a tower that can support a tennis ball at least 18 inches off the ground while withstanding the wind from a fan.

In this activity, learners discover that training a robot can be hard work! Learners investigate how robots complete a task by following a list of sequential instructions.

In this activity, learners will engineer three different parachutes to test how well each one works.

In this activity, learners will make a marionette puppet and put on a show. Learners will explore color, design, fabrication and storytelling through this activity.

In this activity, challenge learners to keep an ice cube from completely melting in 30 minutes. Learners engineer a box or wrap to prevent an ice cube from melting.

This game uses a modified Uno deck to review concepts related to stem cell research and diabetes.

In this design challenge activity, learners build a shock-absorbing system that will protect two “astronauts” when they land.

In this activity, learners explore how the shapes, sizes, and distances of land masses appear differently on two different models of Earth: an icosahedron and a flat map.

Learners explore the Bernoulli effect by building an airfoil (airplane wing) and making it fly.

In this activity, learners will turn an ordinary tray of sand into a desk-top garden for meditation.

In this activity, learners build a seesaw powered by magnets.

In this meteorology activity, learners construct simple devices to measure the direction and speed of wind.

In this dynamic activity, learners build a catapult that launches projectiles, such as marshmallows.

In this group activity, learners make multi-sided polygons with string.

In this design challenge activity, learners use tubes of newspaper to make a table that’s at least eight inches tall and strong enough to hold a heavy book!

Learners design their own experiment to investigate how pollution diffuses through ground material.

In this activity, learners examine ways that Native Americans of the Southwest express their relationship with nature through art.

Design a vessel that tests the limits of wind power given a set of off the shelf and recycled materials.