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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 engineering activity, learners explore simple machines and then build cardboard automata using cams.

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

In this activity, learners build a seesaw powered by magnets.

In this mechanical engineering activity, learners design shadow puppets with moving parts and use them to tell stories.