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In this activity, learners build a machine made of craft sticks to multiply the levering motion of their hands and create a device that bends and extends.

In this lesson, learners develop a robot arm using common materials. Learners explore design, construction, and teamwork, as well as materials selection and use.

In this activity, learners build a figure that moves and "comes to life" when they pull its string.

In this physics activity, learners build a toy with a figure that spins around like a gymnast on the high bar.