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In this engineering design challenge, learners animate a facial expression and make a machine (zoetrope) that plays the animation back.

In this engineering design challenge, learners build an air-powered spinning machine.

In this activity (located at the top of the page), learners make an easy river strainer and see what they can catch.

In this activity, learners will explore the water cycle by creating a small atmosphere.

In this engineering design challenge, learners make a bird and then control its flight with attached strings.

In this activity, learners follow simple historical maritime recipes to cook up hardtack and swanky, and then compare the foods they eat to what was served on ships in the past.