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Learners cut and fold a paper helicopter from the template in this PDF. They practice twirling the helicopter and observe what happens as they modify their tries.

In this activity, learners use tinfoil to build and test their own boats - which designs will float, and which will sink?

In this activity, learners work in pairs to conduct a series of experiments using a balloon, drinking straw, and paper.

Create airplanes from straws and geometric shapes. Test them out to see how far they can fly, or how accurately they can be aimed.

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

In this activity, learners use recycled materials to build a bridge that holds as many potatoes as possible. They investigate weight, height, strength, and measurement as they seek design solutions.

Learners act as engineers and design mini submarines that move in the water like real submarines.

In this activity, learners watch a video to learn about a couple who built a home out of shipping containers in Brooklyn, New York.

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

This activity is a hit for family events and all ages—some will finish in 45 minutes; others can go on for hours.