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In this activity, learners build a sled kite that models a type of airfoil called a parawing.

In this activity, learners engineer a flying glider using paper hoops and a drinking straw.

In this activity, challenge learners to design a roller coaster ride for a marble using cardboard and other simple materials.

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