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In this activity, learners design miniature cars. Learners can create a telephone car, soccer car, merry-go-round car, or any other theme car they can imagine.

In this activity, learners create painting machines that can paint moving forwards and backwards.

Learn how to make and fly a paper helicopter! This simple activity includes a template (for the copter "blades") and instructions for folding, flying, and testing designs.

In this activity, learners explore the human influences on the carbon cycle and examine how fossil fuels release carbon.

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

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