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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 activity, learners explore trebuchet design. Teams of learners construct trebuchets from everyday materials.

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 their own construction cranes using tongue depressors and pushpins.