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In this activity about problem-solving, learners build a house for the Three Little Pigs using twenty straws and two index cards.

In this geology and engineering activity (page 7 of the PDF), learners build an earthquake simulator, then use it to test various building designs, exploring different materials, shapes, and design op

In this activity, learners build small indoor paper rockets, determine their flight stability, and launch them by blowing air through a drinking straw.

In this activity, learners work in teams build and launch rubberband-powered foam rockets.