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In this activity, learners build an electric two-paddle boat using paint paddles, plastic knives, and empty water bottles.

In this activity, learners construct their own small catapults using simple materials. Learners follow visual instructions to build their launching device.

In this activity, learners build an old-fashioned paddle boat out of simple materials.

In this activity, learners explore rocketry and the principals of space flight.

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 build their own construction cranes using tongue depressors and pushpins.