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This hands-on experiment will provide learners with an understanding of the issues that surround environmental cleanup.

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

This design challenge is an open-ended exploration of linkages, a group of parts connected by hinges, and the types of motion they can create.

In this activity, learners build a mini crank machine to make a bird "fly." This engineering activity introduces learners to automata, rotational motion, cranks and cams.

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