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In this design challenge activity, learners add a jet-propulsion system (i.e. a balloon) to a blimp so it flies straight and far under its own power.

In this activity, learners build a miniature wind tunnel to measure force. Learners construct the model out of Lexan plastic, a fan, and a precise digital scale.

In this activity related to Newton's Laws of Motion, learners build a boat powered by a propeller in the air.

In this activity, learners build their own construction cranes using tongue depressors and pushpins.

Learners explore the field of civil engineering by making a bridge using spaghetti as their primary building material.

In this activity, learners string a line across the room and build cable cars that can move from on end to the other.

In this activity, learners build styrofoam boats powered by twisted rubber bands.