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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 activity, learners build their own sound machines and explore the interplay of motion and sound.

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

In this activity, learners build mini-basketball courts using cardboard and measuring spoons. Use this activity to introduce learners to catapults, forces, and levers.

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